Tesla is a unit of magnetic : (1) flux (2) induction (3) moment (4) field

Tesla is a unit of magnetic : (1) flux (2) induction (3) moment (4) field
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Tesla is a unit of magnetic – (1) flux (2) induction (3) moment (4) field

Description : Tesla is a unit of magnetic – (1) flux (2) induction (3) moment (4) field

Last Answer : (4) field Explanation: The tesla (symbol T) is the SI derived unit used to measure magnetic fields. Testa can be measured in different ways; for example, one tesla is equal to one Weber per ... Measures (CGPM). It was named in honor of the physicist electrical engineer, and inventor, Nikola Tesla.

Tesla metre per ampere (T. m/A) is the unit for the measurement of (A) Magnetic susceptibility (B) Magnetic moment (C) Permeability of free space (D) Flux density

Description : Tesla metre per ampere (T. m/A) is the unit for the measurement of (A) Magnetic susceptibility (B) Magnetic moment (C) Permeability of free space (D) Flux density

Last Answer : Option C

The Tesla and the Gauss are units of measure of: w) conductance x) magnetic field strength y) magnetic flux z) electrical current

Description : The Tesla and the Gauss are units of measure of: w) conductance x) magnetic field strength y) magnetic flux z) electrical current

Last Answer : ANSWER: X -- MAGNETIC FIELD STRENGTH

Identify which of the following is the unit of magnetic flux density? a) Weber b) Weber/m c) Tesla d) Weber -1

Description : Identify which of the following is the unit of magnetic flux density? a) Weber b) Weber/m c) Tesla d) Weber -1

Last Answer : c) Tesla

Which of the following is the unit of magnetic flux density ? (a) weber (b) lumens (c) tesla (d) none of the above

Description : Which of the following is the unit of magnetic flux density ? (a) weber (b) lumens (c) tesla (d) none of the above

Last Answer : (c) tesla

Tesla is a unit of (a) field strength (b) inductance (c) flux density (d) flux

Description : Tesla is a unit of (a) field strength (b) inductance (c) flux density (d) flux

Last Answer : (c) flux density

The magnetic pressure of a 0.5 Tesla field is about one atmosphere. What is the pressure of a 4 Tesla field?

Description : The magnetic pressure of a 0.5 Tesla field is about one atmosphere. What is the pressure of a 4 Tesla field?

Last Answer : ANSWER: 64 ATMOSPHERES (PROPORTIONAL TO B2)

The line integral of the magnetic field intensity is the a) Current density b) Current c) Magnetic flux density d) Magnetic moment

Description : The line integral of the magnetic field intensity is the a) Current density b) Current c) Magnetic flux density d) Magnetic moment

Last Answer : b) Current

Electrons move at right angles to a magnetic field of `1.5xx10^(-2)` Tesla with a speed of `6xx10^(7)m//s`. If the specific charge of the electron is

Description : Electrons move at right angles to a magnetic field of `1.5xx10^(-2)` Tesla with a speed of `6xx10^(7)m//s`. If the specific charge of the electron is

Last Answer : Electrons move at right angles to a magnetic field of `1.5xx10^(-2)` Tesla with a speed of `6xx10^ ... C//kg`. The radius of the circular path will be

An electron of energy 150 eV describes a circle in a magnetic field of 0.1 tesla. Calculate the radius of the curcle.

Description : An electron of energy 150 eV describes a circle in a magnetic field of 0.1 tesla. Calculate the radius of the curcle.

Last Answer : An electron of energy 150 eV describes a circle in a magnetic field of 0.1 tesla. Calculate the radius of the curcle.

An electron moves with a velocity of 2 × 106 ms-1 in the direction of a uniform magnetic field of 0.8 Tesla. The force on electron is a) 8 N b) 2 N c) 4 N d) Zero

Description : An electron moves with a velocity of 2 × 106 ms-1 in the direction of a uniform magnetic field of 0.8 Tesla. The force on electron is a) 8 N b) 2 N c) 4 N d) Zero

Last Answer : d) Zero

Tesla is a unit of magnetic:

Description : Tesla is a unit of magnetic:

Last Answer : flux density

Tesla is the unit of Magnetic –

Description : Tesla is the unit of Magnetic –

Last Answer : Induction

Find the flux contained by the material when the flux density is 11.7 Tesla and the area is 2 units. a) 23.4 b) 12.3 c) 32.4 d) 21.3

Description : Find the flux contained by the material when the flux density is 11.7 Tesla and the area is 2 units. a) 23.4 b) 12.3 c) 32.4 d) 21.3

Last Answer : a) 23.4

Find the force due to a current element of length 2cm and flux density of 12 tesla. The current through the element will be 5A. a) 1 N b) 1.2 N c) 1.4 N d) 1.6 N

Description : Find the force due to a current element of length 2cm and flux density of 12 tesla. The current through the element will be 5A. a) 1 N b) 1.2 N c) 1.4 N d) 1.6 N

Last Answer : b) 1.2 N

Calculate the emf when a coil of 100 turns is subjected to a flux rate of 0.3 tesla/sec. a) 3 b) 30 c) -30 d) -300

Description : Calculate the emf when a coil of 100 turns is subjected to a flux rate of 0.3 tesla/sec. a) 3 b) 30 c) -30 d) -300

Last Answer : c) -30

If the Earth's magnetic field lines pass through the Hall probe in opposite direction, then the change in reading of voltmeter is A. thrice the Earth's magnetic flux density B. four times the Earth's magnetic flux density C. five times the Earth's magnetic flux density D. twice the Earth's magnetic flux density

Description : If the Earth's magnetic field lines pass through the Hall probe in opposite direction, then the change in reading of voltmeter is A. thrice the Earth's magnetic flux density B. four times the Earth ... C. five times the Earth's magnetic flux density D. twice the Earth's magnetic flux density

Last Answer : twice the Earth's magnetic flux density

Strength of magnetic field is known as A. flux B. density C. magnetic strength D. magnetic flux density

Description : Strength of magnetic field is known as A. flux B. density C. magnetic strength D. magnetic flux density

Last Answer : magnetic strength

When field is parallel to plane of area, magnetic flux through coil isA. zeroB. infiniteC. 2D. 5

Description : When field is parallel to plane of area, magnetic flux through coil isA. zero B. infinite C. 2 D. 5

Last Answer : zero

Total number of magnetic field lines passing through an area is called A. magnetic flux density B. magnetic flux C. e.m.f D. voltage

Description : Total number of magnetic field lines passing through an area is called A. magnetic flux density B. magnetic flux C. e.m.f D. voltage

Last Answer : magnetic flux

A straight wire of length 0.20 m moves at a steady speed of 3.0 m s-1 at right angles to the magnetic field of flux density 0.10 T. The e.m.f induced across ends of wire is A. 0.5 V B. 0.06 V C. 0.05 V D. 0.04 V

Description : A straight wire of length 0.20 m moves at a steady speed of 3.0 m s-1 at right angles to the magnetic field of flux density 0.10 T. The e.m.f induced across ends of wire is A. 0.5 V B. 0.06 V C. 0.05 V D. 0.04 V

Last Answer : 0.06 V

Force on a moving charge in a uniform magnetic field depends uponA. magnetic flux density B. the charge on the particle C. the speed of particle D. all of above

Description : Force on a moving charge in a uniform magnetic field depends uponA. magnetic flux density B. the charge on the particle C. the speed of particle D. all of above

Last Answer : all of above

Hall voltage is directly proportional to A. current B. electric field C. magnetic flux density D. all of above

Description : Hall voltage is directly proportional to A. current B. electric field C. magnetic flux density D. all of above

Last Answer : magnetic flux density

An electron is travelling at right angles to a uniform magnetic field of flux density 1.2 mT with a speed of 8 × 106 m s-1, the radius of circular path followed by electron is A. 3.8 cm B. 3.7 cm C. 3.6 cm D. 3.5 cm

Description : An electron is travelling at right angles to a uniform magnetic field of flux density 1.2 mT with a speed of 8 × 106 m s-1, the radius of circular path followed by electron is A. 3.8 cm B. 3.7 cm C. 3.6 cm D. 3.5 cm

Last Answer : 3.8 cm

For a point charge to feel a net force in a homogeneous magnetic field, which one of the following statements is true? The charge must: w) move parallel to the magnetic lines of flux x) have a component of its motion perpendicular to the lines of flux y) be stationary z) be a positive charge

Description : For a point charge to feel a net force in a homogeneous magnetic field, which one of the following statements is true? The charge must: w) move parallel to the magnetic lines of flux x) have a component of its motion perpendicular to the lines of flux y) be stationary z) be a positive charge

Last Answer : ANSWER: X -- HAVE A COMPONENT OF ITS MOTION PERPENDICULAR TO THE LINES OF FLUX 

S.I. unit of Magnetic flux is – (1) weber (2) weber/m (3) weber/m⁴ (4) weber-m²

Description : S.I. unit of Magnetic flux is – (1) weber (2) weber/m (3) weber/m⁴ (4) weber-m²

Last Answer : (1) weber Explanation: The SI unit of magnetic flux is the Weber (Wb) (in derived units: volt-seconds). It is the magnetic flux that, linking a circuit of one turn, would produce in it ... second. It is named after the German physicist Wilhelm Eduard Weber. The CGS unit of magnetic flux is Maxwell.

What is the SI unit of magnetic flux?

Description : What is the SI unit of magnetic flux? 

Last Answer : ANSWER: WEBER

S.I. unit of Magnetic flux is (1) weber (2) weber/m (3) weber/m4 (4) weber–m2

Description : S.I. unit of Magnetic flux is (1) weber (2) weber/m (3) weber/m4 (4) weber–m2 

Last Answer : weber

What do you call of an instrument that depends for its operation on the reaction between magnetic flux set up by currents in fixed windings and other currents set up by electromagnet induction in movable conducting parts?

Description : What do you call of an instrument that depends for its operation on the reaction between magnetic flux set up by currents in fixed windings and other currents set up by electromagnet induction in movable conducting parts?

Last Answer : induction instrument

Which unit we use to express nuclear sizes? (1) Tesla (2) Newton (3) Fermi (4) None of above

Description : Which unit we use to express nuclear sizes? (1) Tesla (2) Newton (3) Fermi (4) None of above

Last Answer : (3) Fermi

Derived unit Tesla is related to A. A B. kg C. s D. all of above

Description : Derived unit Tesla is related to A. A B. kg C. s D. all of above

Last Answer : all of above

The magnetization is defined by the ratio of a) Magnetic moment to area b) Magnetic moment to volume c) Magnetic flux density to area d) Magnetic flux density to volume

Description : The magnetization is defined by the ratio of a) Magnetic moment to area b) Magnetic moment to volume c) Magnetic flux density to area d) Magnetic flux density to volume

Last Answer : b) Magnetic moment to volume

Find the torque of a loop with magnetic moment 12.5 and magnetic flux density 7.65 units is a) 95.625 b) 65.925 c) 56.525 d) 65.235

Description : Find the torque of a loop with magnetic moment 12.5 and magnetic flux density 7.65 units is a) 95.625 b) 65.925 c) 56.525 d) 65.235

Last Answer : a) 95.625

Due to the flow of current in a circular loop of radius `R`, the magnetic induction produced at the centre of the loop is `B`. The magnetic moment of

Description : Due to the flow of current in a circular loop of radius `R`, the magnetic induction produced at the centre of the loop is `B`. The magnetic moment of

Last Answer : Due to the flow of current in a circular loop of radius `R`, the magnetic induction produced at the centre of the ... )` D. `(2pi BR^(2))/(mu_(0))`

iv) A rectangular coil free to rotate is placed in uniform magnetic field with its plane parallel to the magnetic lines of force. Then the coil willa) rotate to maximize the magnetic flux through its plane. b)rotate to minimize the magnetic flux through its plane.c) not experience any torque since the magnetic flux through its plane is zero.d) experience the constant torque equal to NBIA

Description : iv) A rectangular coil free to rotate is placed in uniform magnetic field with its plane parallel to the magnetic lines of force. Then the coil willa) rotate to maximize the magnetic flux through ... since the magnetic flux through its plane is zero.d) experience the constant torque equal to NBIA

Last Answer : iv) A rectangular coil free to rotate is placed in uniform magnetic field with its plane parallel ... d) experience the constant torque equal to NBIA

The rotor of a synchronous motor operates in synchronism with the rotating field because ______________. A. of the amortisseur windings B. the rotor is magnetically locked into step with the rotating magnetic field by the excitation current C. the field strength varies directly with rotor slip D. the stator flux rotates in the opposite direction

Description : The rotor of a synchronous motor operates in synchronism with the rotating field because ______________. A. of the amortisseur windings B. the rotor is magnetically locked into step with the ... field strength varies directly with rotor slip D. the stator flux rotates in the opposite direction

Last Answer : Answer: B

An advantage of optic fiber rejecting an induced noise signals from magnetic field or solar storms flux. A. Electric hazard B. Cross talk C. Immunity to noise D. Shielding

Description : An advantage of optic fiber rejecting an induced noise signals from magnetic field or solar storms flux. A. Electric hazard B. Cross talk C. Immunity to noise D. Shielding

Last Answer : C. Immunity to noise

Which quantity is solenoidal in the electromagnetic theory? a) Electric field intensity b) Electric flux density c) Magnetic field intensity d) Magnetic flux density

Description : Which quantity is solenoidal in the electromagnetic theory? a) Electric field intensity b) Electric flux density c) Magnetic field intensit d) Magnetic flux density

Last Answer : d) Magnetic flux density

Find the electric field applied on a system with electrons having a velocity 5m/s subjected to a magnetic flux of 3.6 units. a) 15 b) 18 c) 1.38 d) 0.72

Description : Find the electric field applied on a system with electrons having a velocity 5m/s subjected to a magnetic flux of 3.6 units. a) 15 b) 18 c) 1.38 d) 0.72

Last Answer : b) 18

Find the magnetic field intensity of a material with flux density of 24 units in air(in 10 6 order) a) 19.09 b) 21 c) 25 d) 26.78

Description : Find the magnetic field intensity of a material with flux density of 24 units in air(in 10 6 order) a) 19.09 b) 21 c) 25 d) 26.78

Last Answer : a) 19.09

Given the magnetic field is 2.4 units. Find the flux density in air(in 10 -6 order). a) 2 b) 3 c) 4 d) 5

Description : Given the magnetic field is 2.4 units. Find the flux density in air(in 10 -6 order). a) 2 b) 3 c) 4 d) 5

Last Answer : b) 3

The magnetic flux density is directly proportional to the magnetic field intensity. State True/False. a) True b) False

Description : The magnetic flux density is directly proportional to the magnetic field intensity. State True/False. a) True b) False

Last Answer : a) True

Pick up the correct statement from the following: (A) Permeability is a measure of conducting the magnetic lines of force in the material (B) Permeability is a measure of the extent to which magnetic lines of force can penetrate a medium (C) Permeability is expressed as the ratio of the magnetic flux density (B) to the field strength of the magnetizing field (D) All of these

Description : Pick up the correct statement from the following: (A) Permeability is a measure of conducting the magnetic lines of force in the material (B) Permeability is a measure of the extent to which magnetic ... magnetic flux density (B) to the field strength of the magnetizing field (D) All of these

Last Answer : Answer: Option D

Fleming's left hand rule is used to find (a) direction of magnetic field due to current carrying conductor (b) direction of flux in a solenoid (c) direction of force on a current carrying conductor in a magnetic field (d) polarity of a magnetic pole

Description : Fleming's left hand rule is used to find (a) direction of magnetic field due to current carrying conductor (b) direction of flux in a solenoid (c) direction of force on a current carrying conductor in a magnetic field (d) polarity of a magnetic pole

Last Answer : (c) direction of force on a current carrying conductor in a magnetic field

Which of the following is a vector quantity ? (a) Relative permeability (b) Magnetic field intensity (c) Flux density (d) Magnetic potential

Description : Which of the following is a vector quantity ? (a) Relative permeability (b) Magnetic field intensity (c) Flux density (d) Magnetic potential

Last Answer : (b) Magnetic field intensity

Which of the following statements are true? i) reactive current is necessary to build up the flux for the magnetic field of inductive devices ii) some portion of reactive current is converted into work iii) the cosine of angle between kVA and kVAr vector is called power factor iv) the cosine of angle between kW and kVA vector is called power factor a) i & iv b) ii & iii c) i & iii d) iii & iv

Description : Which of the following statements are true? i) reactive current is necessary to build up the flux for the magnetic field of inductive devices ii) some portion of reactive current is converted into work iii) the cosine of angle ... called power factor a) i & iv b) ii & iii c) i & iii d) iii & iv

Last Answer : a) i & iv

In motor a permanent magnet provides: a. Electric field b. electric flux c. magnetic field d. gravitational field

Description : In motor a permanent magnet provides: a. Electric field b. electric flux c. magnetic field d. gravitational field

Last Answer : d. gravitational field

The magnetic flux φB through a plane element of area A⃗ in a uniform magnetic field B⃗⃗ is minimum at a) θ = 900 b) θ = 00 c) θ = 1800 d) None of these

Description : The magnetic flux φB through a plane element of area A⃗ in a uniform magnetic field B⃗⃗ is minimum at a) θ = 900 b) θ = 00 c) θ = 1800 d) None of these

Last Answer : a) θ = 900

___________ is not affected by a magnetic field a) Change in magnetic flux b) a moving electron c) a stationary proton d) current flowing in a conductor

Description : ___________ is not affected by a magnetic field a) Change in magnetic flux b) a moving electron c) a stationary proton d) current flowing in a conductor

Last Answer : c) a stationary proton

The space around the charge within which other charges are influenced by it is called: (a) Electric field (b) Magnetic field (c) Electric flux (d) Electric intensity

Description : The space around the charge within which other charges are influenced by it is called: (a) Electric field (b) Magnetic field (c) Electric flux (d) Electric intensity

Last Answer : a) Electric field