Two parallel wires are carrying electric currents of equal magnitude and in the same direction. They excert

Two parallel wires are carrying electric currents of equal magnitude and in the same direction. They excert
by

1 Answer

Answer :

Two parallel wires are carrying electric currents of equal magnitude and in the same direction. They ... other D. Neither attract nor repel each other
by
selected by

Related questions

Assertion three infinitely long current carrying wires have equal currents and they are equally spaced. The magnitude of magnetic force on all three i

Description : Assertion three infinitely long current carrying wires have equal currents and they are equally spaced. The magnitude of magnetic force on all three i

Last Answer : Assertion three infinitely long current carrying wires have equal currents and they are equally spaced. The ... Reason Net force on wire-2 is zero.

Two parallel wires carrying currents in opposite directions will: w) attract each other x) repel each other y) cause an electric arc to form z) not affect each other

Description : Two parallel wires carrying currents in opposite directions will: w) attract each other x) repel each other y) cause an electric arc to form z) not affect each other

Last Answer : ANSWER: X -- REPEL EACH OTHER

Two long thin wires ABC and DEF are arranged as shown in Fig. They carry equal currents I as shown. The magnitude of the magnetic field at O is

Description : Two long thin wires ABC and DEF are arranged as shown in Fig. They carry equal currents I as shown. The magnitude of the magnetic field at O is

Last Answer : Two long thin wires ABC and DEF are arranged as shown in Fig. They carry equal currents I as shown. The ... `(mu_(0)I)/(2sqrt(2)pir)` D. zero

Two parallel long wires carry currents `i_(1) "and" i_(2)` with `i_(1) gt i_(2)`.When the currents are in the same direction then the magnetic field m

Description : Two parallel long wires carry currents `i_(1) "and" i_(2)` with `i_(1) gt i_(2)`.When the currents are in the same direction then the magnetic field m

Last Answer : Two parallel long wires carry currents `i_(1) "and" i_(2)` with `i_(1) gt i_(2)`.When the currents are in the same ... 4` B. `5:3` C. `7:11` D. `11:7`

Two parallel wires carrying current in the same direction attract each other while two beams of electrons travelling in the same direction repel each

Description : Two parallel wires carrying current in the same direction attract each other while two beams of electrons travelling in the same direction repel each

Last Answer : Two parallel wires carrying current in the same direction attract each other while two beams of ... force between them D. magnetic force between them

A wires PQRS carrying a current I runs along three edges of a cube of side l as shown in figure. There exists a uniform magnetic field of magnitude B

Description : A wires PQRS carrying a current I runs along three edges of a cube of side l as shown in figure. There exists a uniform magnetic field of magnitude B

Last Answer : A wires PQRS carrying a current I runs along three edges of a cube of side l as shown in figure. There exists ... sqrt(3)IB` C. `sqrt(2I) lB` D. 2Ilb

`A, B` and `C` are parallel conductors of equal length carrying currents `I, I` and `2I` respectively. Distance between `A` and `B` is `x`. Distance b

Description : `A, B` and `C` are parallel conductors of equal length carrying currents `I, I` and `2I` respectively. Distance between `A` and `B` is `x`. Distance b

Last Answer : `A, B` and `C` are parallel conductors of equal length carrying currents `I, I` and `2I` respectively. Distance ... F_(2)` D. `F_(1) = -F_(2)`

Two parallel conductors `A` and `B` of equal lengths carry currents `I` and `10 I`, respectively, in the same direction. Then

Description : Two parallel conductors `A` and `B` of equal lengths carry currents `I` and `10 I`, respectively, in the same direction. Then

Last Answer : Two parallel conductors `A` and `B` of equal lengths carry currents `I` and `10 I`, ... A and B will attract each other with different forces

Assertion Two infinitely long wires `A` and `B` carry unequal currents both in inward direction. Then, there is only point (excluding the ponts at inf

Description : Assertion Two infinitely long wires `A` and `B` carry unequal currents both in inward direction. Then, there is only point (excluding the ponts at inf

Last Answer : Assertion Two infinitely long wires `A` and `B` carry unequal currents both in inward direction. Then ... . If Assertion is false but Reason is true.

Currents of `10A, 2A` are passed through two parallel wires `A` and `B` respectively in opposite directions. If the wire `A` is infinitely long and th

Description : Currents of `10A, 2A` are passed through two parallel wires `A` and `B` respectively in opposite directions. If the wire `A` is infinitely long and th

Last Answer : Currents of `10A, 2A` are passed through two parallel wires `A` and `B` respectively in opposite directions. If the ... `4xx10^(-7)N` D. `8xx10^(-7)N`

Two infinitely long, parallel wires carry currents which are in opposite directions. The two wires: w) are attracted toward each other x) repel each other y) have no effect on each other.

Description : Two infinitely long, parallel wires carry currents which are in opposite directions. The two wires: w) are attracted toward each other x) repel each other y) have no effect on each other.

Last Answer : ANSWER: X -- REPEL EACH OTHER

Figure shows, three long straight wires parallel and equally speed with identical currents. Then, the force acting on each wire due to the other is

Description : Figure shows, three long straight wires parallel and equally speed with identical currents. Then, the force acting on each wire due to the other is

Last Answer : Figure shows, three long straight wires parallel and equally speed with identical currents. Then, the force acting on ... `F_(b) gt F_(a) gt F_(c)`

The force between two long parallel wires A and B carrying current is `0.004 Nm^(-1)`. The conductors are 0.01 m apart. If the current in conductor A

Description : The force between two long parallel wires A and B carrying current is `0.004 Nm^(-1)`. The conductors are 0.01 m apart. If the current in conductor A

Last Answer : The force between two long parallel wires A and B carrying current is `0.004 Nm^(-1)`. The conductors are 0.01 m ... . `50 A ` C. `10 A` D. `100 A`

Two identical coils carry equal currents have a common centre and their planes are at right angles to each other. The ratio of the magnitude of the re

Description : Two identical coils carry equal currents have a common centre and their planes are at right angles to each other. The ratio of the magnitude of the re

Last Answer : Two identical coils carry equal currents have a common centre and their planes are at right angles to each other. The ... `1:sqrt(2)` D. `sqrt(2):1`

Two dimensional flows occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive periods of time (C) The magnitude and direction of the velocity do not change from point to point in the fluid (D) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plan

Description : Two dimensional flows occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at ... fluid particles move in plane or parallel planes and the streamline patterns are identical in each plan

Last Answer : Answer: Option D

Uniform flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive periods of time (C) The magnitude and direction of the velocity do not change from point to point in the fluid ) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each pleasure

Description : Uniform flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at ... fluid particles move in plane or parallel planes and the streamline patterns are identical in each pleasure

Last Answer : Answer: Option C

True one-dimensional flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive periods of time (C) The magnitude and direction of the velocity do not change from point to point in the fluid (D) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Description : True one-dimensional flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same ... fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Last Answer : Answer: Option A

Non uniform flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive periods of time (C) Velocity, depth, pressure, etc. change from point to point in the fluid flow. (D) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Description : Non uniform flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at ... The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Last Answer : Answer: Option C

Steady flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive periods of time (C) The magnitude and direction of the velocity do not change from point to point in the fluid (D) The fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Description : Steady flow occurs when (A) The direction and magnitude of the velocity at all points are identical (B) The velocity of successive fluid particles, at any point, is the same at successive ... fluid particles move in plane or parallel planes and the streamline patterns are identical in each plane

Last Answer : Answer: Option B

Force per meter on two wires carrying a current of 1 A placed 1 m apart is equal to A. 6.7 × 10-11 N B. 9.0 × 109 N C. 2.0 × 10-7 N D. 3.0 × 10-4 N

Description : Force per meter on two wires carrying a current of 1 A placed 1 m apart is equal to A. 6.7 × 10-11 N B. 9.0 × 109 N C. 2.0 × 10-7 N D. 3.0 × 10-4 N

Last Answer :  2.0 × 10-7 N

Four wires of the same material and dimensions as under are stretched by a load of same magnitude separately. Which of them will be elongated maximum? (a) wire of 3m length and 1.5 mm diameter (b) wire of 1m length and 2mm diameter (c) wire of 2m length and 2mm diameter (d) wire of 1m length and 1mm diameter

Description : Four wires of the same material and dimensions as under are stretched by a load of same magnitude separately. Which of them will be elongated maximum? (a) wire of 3m length and 1.5 mm diameter (b) ... and 2mm diameter (c) wire of 2m length and 2mm diameter (d) wire of 1m length and 1mm diameter

Last Answer : Ans:(a)

Two infinitely long conductors carrying equal currents are shaped as shown. The short sectins are all of equal lengths. The point P is located symmetr

Description : Two infinitely long conductors carrying equal currents are shaped as shown. The short sectins are all of equal lengths. The point P is located symmetr

Last Answer : Two infinitely long conductors carrying equal currents are shaped as shown. The short sectins are all of equal lengths. ... zero B. B C. D. `sqrt(2)B`

The force per unit length of two conductors carrying equal currents of 5A separated by a distance of 20cm in air(in 10 -6 order) a) 25 b) 35 c) 40 d) 50

Description : The force per unit length of two conductors carrying equal currents of 5A separated by a distance of 20cm in air(in 10 -6 order) a) 25 b) 35 c) 40 d) 50

Last Answer : a) 25

Two parallel conductors are separated by a distance, d carrying a current, I in the same direction. The magnetic

Description : Two parallel conductors are separated by a distance, d carrying a current, I in the same direction. The magnetic field along a line running parallel to the conductors and midway between them is (A) zero (B) proportional to I (C) proportional to d (D) proportional to the permeability of the medium. 

Last Answer : The  magnetic  field  along  the conductor at  the  midway point  is  zero  because  equal  magnitide  of  field  are produced  in  each conductor   therefore  the  resultant  magnetic field  at  the  midway  is  zero.

Two vectors are said to be equal if – (1) only their magnitudes are same (2) only their directions are same (3) both magnitude and direction are same (4) magnitudes are same but directions are opposite

Description : Two vectors are said to be equal if – (1) only their magnitudes are same (2) only their directions are same (3) both magnitude and direction are same (4) magnitudes are same but directions are opposite

Last Answer : (3) both magnitude and direction are same Explanation: If the magnitude as well as direction of two vectors are equal, then they are known as equal vectors. In other words, two vectors are ... headed towards the same direction. For two equal vectors, their directed line segments must be parallel.

Two vectors are said to be equal if (1) only their magnitudes are same (2) only their directions are same (3) both magnitude and direction are same (4) magnitudes are same but directions are opposite

Description : Two vectors are said to be equal if (1) only their magnitudes are same (2) only their directions are same (3) both magnitude and direction are same (4) magnitudes are same but directions are opposite 

Last Answer : both magnitude and direction are same

Five volts are applied across the plates of a parallel plate capacitor. The distance of separation of the plates is .02 meters. What is the magnitude of the electric field inside the capacitor?

Description : Five volts are applied across the plates of a parallel plate capacitor. The distance of separation of the plates is .02 meters. What is the magnitude of the electric field inside the capacitor?

Last Answer : ANSWER: 250 VOLTS PER METER or 250 NEWTONS PER COULOMB

If three non-parallel forces hold a rigid body in equilibrium, they must a.be non-coneurrent b.be colinear c.107 dynes d.be equal in magnitude e.be concurrent

Description : If three non-parallel forces hold a rigid body in equilibrium, they must a.be non-coneurrent b.be colinear c.107 dynes d.be equal in magnitude e.be concurrent

Last Answer : e. be concurrent

Two straight infinitely long current carrying wires are kept along Z-axis at the coordinates (0,a,0) and (0, -a, 0) respectively, as shown in the figu

Description : Two straight infinitely long current carrying wires are kept along Z-axis at the coordinates (0,a,0) and (0, -a, 0) respectively, as shown in the figu

Last Answer : Two straight infinitely long current carrying wires are kept along Z-axis at the coordinates (0,a,0) and ... the X-axis will be approximately B. C. D.

Three long straight wires `A`, `B` and `C` are carrying current as shown in figure. Then the resultant force on `B` is directed

Description : Three long straight wires `A`, `B` and `C` are carrying current as shown in figure. Then the resultant force on `B` is directed

Last Answer : Three long straight wires `A`, `B` and `C` are carrying current as shown in figure. Then ... outward D. Perpendicular to the plane of paper and inward

When two forces acting at a point are such that if the direction of one is reversed, the direction of the resultant is turned through a right angle, the forces must be a.inclined at more than 90? b.inclined at less than 90? c.equal in magnitude d.acting at 180? e.107 dynes

Description : When two forces acting at a point are such that if the direction of one is reversed, the direction of the resultant is turned through a right angle, the forces must be a.inclined at more than 90? b.inclined at less than 90? c.equal in magnitude d.acting at 180? e.107 dynes

Last Answer : c. equal in magnitude

When currents are moving in the same direction in two conductors, then the force will be a) Attractive b) Repulsive c) Retracting d) Opposing

Description : When currents are moving in the same direction in two conductors, then the force will be a) Attractive b) Repulsive c) Retracting\ d) Opposing

Last Answer : a) Attractive

Three coils are placed infront of each other as shown currents in 1 and 2 are in same direction while that in 3 is in opposite direction. Match the fo

Description : Three coils are placed infront of each other as shown currents in 1 and 2 are in same direction while that in 3 is in opposite direction. Match the fo

Last Answer : Three coils are placed infront of each other as shown currents in 1 and 2 are in same ... 3 is in opposite direction. Match the following table

F = BIL can only be used if the magnetic field and electric current are A. at right angles to each other B. in same direction C. anti-parallel to each other D. anti-perpendicular to each other

Description : F = BIL can only be used if the magnetic field and electric current are A. at right angles to each other B. in same direction C. anti-parallel to each other D. anti-perpendicular to each other

Last Answer : at right angles to each other

Which of the following statements concerning a simple parallel resistance circuit is correct? A. The voltage drop across each resistor is the same. B. The total current flow equals the reciprocal of the sum of the individual currents. C. The total resistance equals the sum of the individual resistances. D. The total voltage equals the sum of the individual voltages across each resistance.

Description : Which of the following statements concerning a simple parallel resistance circuit is correct? A. The voltage drop across each resistor is the same. B. The total current flow equals the reciprocal ... resistances. D. The total voltage equals the sum of the individual voltages across each resistance.

Last Answer : Answer: A

A wire of length `L metre ` , carrying a current `I `ampere is bent in the form of a circle . The magnitude of its magnetic moment is …………. ` MKS unit

Description : A wire of length `L metre ` , carrying a current `I `ampere is bent in the form of a circle . The magnitude of its magnetic moment is …………. ` MKS unit

Last Answer : A wire of length `L metre ` , carrying a current `I `ampere is bent in the form of a circle . The magnitude of ... `(L^(2)I)/(4pi)` D. `(LI)/(4pi)`

The shape of a magnetic field around a long straight current carrying wire is: w) elliptical. x) square y) varies depending on the magnitude of the current z) circular

Description : The shape of a magnetic field around a long straight current carrying wire is: w) elliptical. x) square y) varies depending on the magnitude of the current z) circular

Last Answer : ANSWER: Z -- CIRCULAR

The magnitude of the quarks' electric charge is: w) zero. x) greater than the electron's charge. y) equal to the electron's charge. z) less than the electron's charge.

Description : The magnitude of the quarks' electric charge is: w) zero. x) greater than the electron's charge. y) equal to the electron's charge. z) less than the electron's charge.

Last Answer : ANSWER: Z -- LESS THAN THE ELECTRON'S CHARGE. 

A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called (A) Pascal's law (B) (C) D-Alembert's principle (D) None of these

Description : A moving fluid mass may be brought to a static equilibrium position, by applying an imaginary inertia force of the same magnitude as that of the accelerating force but in the opposite direction. This statement is called (A) Pascal's law (B) (C) D-Alembert's principle (D) None of these

Last Answer : Answer: Option C

Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is: A.40 m B.55 m C.65 m D.50 m E.None of these

Description : Two trains of equal length are running on parallel lines in the same direction at 46 km/hr and 36 km/hr. The faster train passes the slower train in 36 seconds. The length of each train is: A.40 m B.55 m C.65 m D.50 m E.None of these

Last Answer : Answer- D (50) Explanation – Relative speed= total lengths/time (46-36) x 5/18 = [L + L ] / 36 10 x (5/18) x36 x (1/2)= L L=50 m

Assertion : Two resistance wires shown in figure are of same material. They have equal length. More heat is generated in wire A. Reason : In series `H

Description : Assertion : Two resistance wires shown in figure are of same material. They have equal length. More heat is generated in wire A. Reason : In series `H

Last Answer : Assertion : Two resistance wires shown in figure are of same material. They have equal length. More ... . If Assertion is false but Reason is true.

A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each -Physics-10

Description : A rectangular coil of copper wires is rotated in a magnetic field. The direction of the induced current changes once in each -Physics-10

Last Answer : half revolution When a rectangular coil is rotated in magnetic field, the direction of the induced current changes once in half revolution. As a result, the direction of the current in the coil remains the same. In text 13.7 Page:238

The greatest induced EMF will occur in a straight wire moving at constant speed through a uniform magnetic field when the angle between the direction of the wire's motion and the direction of the magnetic field is w) 0 degrees x) 30 degrees y) 60 degrees z) 90 degrees

Description : The greatest induced EMF will occur in a straight wire moving at constant speed through a uniform magnetic field when the angle between the direction of the wire's motion and the direction of the magnetic field is w) 0 degrees x) 30 degrees y) 60 degrees z) 90 degrees

Last Answer : ANSWER: Z -- 90 DEGREES

Two straight wires each 10 cm long are parallel to one another and separated by 2 cm. when the current flowing in them is 30 A and 40 A respectively t

Description : Two straight wires each 10 cm long are parallel to one another and separated by 2 cm. when the current flowing in them is 30 A and 40 A respectively t

Last Answer : Two straight wires each 10 cm long are parallel to one another and separated by 2 cm. when the current flowing in ... 2xx10^(-3)N` D. `10.2x10^(-3)N`

Two resistance wires on joining in parallel the resultant resistance is ohms `(6)/(5)` ohms. One of the wire breaks, the effective resistance is 2 ohm

Description : Two resistance wires on joining in parallel the resultant resistance is ohms `(6)/(5)` ohms. One of the wire breaks, the effective resistance is 2 ohm

Last Answer : Two resistance wires on joining in parallel the resultant resistance is ohms `(6)/(5)` ohms. One of the wire ... ` C. `(6)/(5)Omega` D. `3Omega`

The direction of ocean currents is reversed with season in which ocean? -Do You Know?

Description : The direction of ocean currents is reversed with season in which ocean? -Do You Know?

Last Answer : answer:

What effects of the earths rotation on the direction of winds and currents is called what?

Description : What effects of the earths rotation on the direction of winds and currents is called what?

Last Answer : It's called the 'coriolis' effect.

The direction of ocean currents is reversed with season in which ocean?

Description : The direction of ocean currents is reversed with season in which ocean?

Last Answer : In the Indian Ocean

Diamagnetic materials are magnetised (A) Strongly (B) Only slightly (C) With eddy currents only (D) In a direction opposite to that of the applied field

Description : Diamagnetic materials are magnetised (A) Strongly (B) Only slightly (C) With eddy currents only (D) In a direction opposite to that of the applied field

Last Answer : (D) In a direction opposite to that of the applied field

Diamagnetic materials (A) Are magnetised by eddy currents only (B) Are non-magnetic and cannot be magnetised (C) Are magnetised in direction opposite to the magnetic field (D) Can be magnetised in one direction only

Description : Diamagnetic materials (A) Are magnetised by eddy currents only (B) Are non-magnetic and cannot be magnetised (C) Are magnetised in direction opposite to the magnetic field (D) Can be magnetised in one direction only

Last Answer : (C) Are magnetised in direction opposite to the magnetic field