Sum of e.m.f around any loop equals
A. sum of current
B. sum of potential difference
C. sum of resistances
D. sum of charges passing through it per second
Description : Which is NOT a characteristic of a series circuit? w) The current is the same throughout. x) The total resistance is the sum of the individual resistance. y) The voltage of the source ... individual voltage drops. z) The total resistance is the sum of the reciprocals of the individual resistances.
Last Answer : ANSWER: Z -- THE TOTAL RESISTANCE IS THE SUM OF THE RECIPROCALS OF THE RECIPROCAL OF THE INDIVIDUAL RESISTANCES.
Description : Three resistances `2 Omega, 3 Omega` and `4 Omega` are connected in parallel. The ratio of currents passing through them when a potential difference i
Last Answer : Three resistances `2 Omega, 3 Omega` and `4 Omega` are connected in parallel. The ratio of currents passing through them ... ` C. `4:3:2` D. `6:4:3`
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
Description : Energy transferred per unit charge is A. e.m.f B. current C. potential difference D. conventional current
Last Answer : potential difference
Description : The rate of transfer of charges through a circuit is called? (1) Potential Difference (2) Resistance (3) Current (4) Energy
Last Answer : (3) Current Explanation: The rate of transfer of charges through a circuit is called Current. An electric current is the rate of flow of electric charge past a point or region. An electric current is said to exist when there is a net flow of electric charge through a region.
Description : When a current of 0.5 A is passed through two resistances in series, the potential difference between the ends of the series arrangement is 12.5 V. On
Last Answer : When a current of 0.5 A is passed through two resistances in series, the potential difference between ... ends is 6 V. Calculate the two resistances.
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
Description : A voltmeter arranged across the power supply measures A. potential difference B. e.m.f C. current D. resistance
Last Answer : e.m.f
Description : Current in a circuit depends on A. resistance B. potential difference C. both A and B D. e.m.f
Description : The potential due to a dipole at a point P from it is the a) Sum of potentials at the charges b) Difference of potentials at the charges c) Multiplication of potentials at the charges d) Ratio of potentials at the charges
Last Answer : b) Difference of potentials at the charges
Description : Two particles A and B having equal charges `+6C`, after being accelerated through the same potential differences, enter a region of uniform magnetic f
Last Answer : Two particles A and B having equal charges `+6C`, after being accelerated through the same potential differences, enter a ... 2` C. `4//9` D. `9//5`
Description : Sound energy passing per second through a unit area held perpendicular is called - (1) Intensity (2) Frequency (3) Amplitude (4) Quality
Last Answer : (1) Intensity Explanation: Sound energy passes through a unit area held perpendicular to the direction of propagation of sound waves is called intensity of sound.
Description : The equation m(d 2 x/ dt 2 ) + c (dx/dt) + Kx = F 0 sin ωt is a second order differential equation. The solution of this linear equation is given as A. complementary function B. particular function C. sum of complementary and particular function D. difference of complementary and particular function
Last Answer : C. sum of complementary and particular function
Description : Overall thermal resistance for conductive heat transfer through a series of flat resistances is equal to the (A) Maximum resistance in the series (B) Sum of all resistances (C) Average of all resistances (D) Minimum resistance presents in the series
Last Answer : (B) Sum of all resistances
Description : The overall resistance for heat transfer through a series of flat resistance, is the __________ of the resistances. (A) Average (B) Geometric mean (C) Product (D) Sum
Last Answer : (D) Sum
Description : Transformed bacterial cells may display enhanced drug resistances from the acquisition of _____. a. F factors b. M factors c. R factors d. S factors
Last Answer : c. R factors
Description : : Moving a coil in and out of magnetic field induces A. force B. potential difference C. e.m.f D. voltage
Description : In Hall effect, voltage across probe is known as A. hall voltage B. e.m.f C. potential difference D. hall potential
Last Answer : hall voltage
Description : Find the potential difference between the points A and B in the circuit shown in Fig. 4.66. Internal resistances of the cells are negligible.
Last Answer : Find the potential difference between the points A and B in the circuit shown in Fig. 4.66. Internal resistances of the cells are negligible.
Description : A combination of four resistances is shown in Fig. 4.59. Calculate the potential difference between the points P and Q, and the values of currents flo
Last Answer : A combination of four resistances is shown in Fig. 4.59. Calculate the potential difference ... of currents flowing in the different resistances.
Description : `A, B` and `C` are voltmeters of resistances `R, 1.5R` and `3R` respectively. When some potential difference is applied between `x` and `y` the voltme
Last Answer : `A, B` and `C` are voltmeters of resistances `R, 1.5R` and `3R` respectively. When some potential difference is ... )` D. `V_(A)ne V_(B)ne V_(C )`
Last Answer : `A, B` and `C` are voltmeters of resistances `R, 1.5R` and `3R` respectively. When some potential difference is ... )gtV_(3)` D. `V_(1)gtV_(2)=V_(3)`
Description : The equation, X = A cos(wt + f) (read: X equals A times the cosine of omega t + phi (fee)), can represent an expression for: w) accelerating due to gravity x) uniform straight line motion y) dc current z) a simple harmonic oscillator
Last Answer : ANSWER: Z -- A SIMPLE HARMONIC OSCILLATOR
Description : Electrical force exerted by two point charges on each other is inversely proportional to A. sum of their charges B. product of their charges C. distance between them D. square of distance between them
Last Answer : square of distance between them
Description : Under this method of billing a client, the external auditors charges on the basis of time spent by principals/partners, supervisors, seniors and juniors at predetermined rates agreed upon with the client a. Maximum fee basis b. Flat sum basis c. Retainer basis d. Per diem basis
Last Answer : Per diem basis
Description : The total resistance of a parallel circuit is always ____________. A. larger than that of the branch with the greatest resistance B. smaller than that of the branch with the lowest resistance C ... resistances D. equal to the sum of the individual branch resistances divided by the number of branches
Last Answer : Answer: B
Description : The total resistance of a parallel circuit is always ____________. A. larger than the greatest branch resistance B. smaller than the lowest branch resistance C. equal to the sum of the individual branch resistances D. one-half the sum of the individual branch resistances
Description : A certain number has three digits. The sum of the three digits equals 36 times this number. Seven times the left digit plus 9 is equal to 5 times the sum of the two other digits. 8 times the second digit minus 9 is equal to the sum of the first and third.What is the number? -Riddles
Last Answer : This one is fairly easy - 324 is the answer.
Description : What is the ratio of total kinetic energy of fluid passing per second to the value obtained on the basis of average velocity (for laminar flow through a circular pipe)? (A) 0.5 (B) 1 (C) 1.5 (D) 2
Last Answer : (D) 2
Description : 03. If an incompressible liquid is continuously flowing through a pipe, the quantity of liquid passing per second is different at different sections. A) True B) False
Last Answer : B
Description : Charge passing through a conductor of cross-section area `A=0.3 m^(2)` is given by `q=3t^(2)+5t+2` in coluomb, where t is second. What is the value of
Last Answer : Charge passing through a conductor of cross-section area `A=0.3 m^(2)` is given by `q=3t^(2)+5t+2` ... . `2Omega` B. `1Omega` C. `4Omega` D. `5Omega`
Description : Charge passing through a conductor of cross-section area `A=0.3 m^(2)` is given by `q=3t^(2)+5t+2 in coluomb, where t is second. What is the value of
Last Answer : Charge passing through a conductor of cross-section area `A=0.3 m^(2)` is given by `q=3t^(2)+5t+2 in coluomb, ... ^(-5)m//s` D. `0.57xx10^(5)m//s`
Description : An object with a mass of 5 kilograms is a distance of 5 meters above the surface of the earth. If the acceleration due to gravity is 10 meters per second squared, the potential energy of the object relative to the ... is: w) 10 joules x) 20 joules y) 100 joules z) 250 joules e) none of the above
Last Answer : ANSWER: Z -- 250 JOULES
Description : A direct current passing through a wire coiled around a soft iron core is the description of a simple ____________. A. magnetic shield B. electromagnet C. piezoelectric device D. electromagnetic domain
Description : The following code segment contains a potential "divide by 0" error.J=50,K=1while (N>=−10) and (N
Last Answer : D. Source code inspection
Description : A battery of e.m.f. `10 V` is connected to resistance as shown in figure. The potential difference `V_(A) - V_(B)` between the point `A` and `B` is
Last Answer : A battery of e.m.f. `10 V` is connected to resistance as shown in figure. The potential difference `V_(A) - V_(B) ... -2V` B. 2V C. 5V D. `(20)/(11)V`
Description : The force acting between two point charges can be computed using which of the following laws? w) Ohm's Law x) Ampere's Law y) Coulomb's Law z) Newton's Second Law.
Last Answer : ANSWER: Y -- COULOMB'S LAW
Description : In the given circuit, the resistances are given in ohm. The current through the `10Omega` resistance is 3 A while that through the resistance X is 1 A
Last Answer : In the given circuit, the resistances are given in ohm. The current through the `10Omega` resistance is 3 A while ... and 6 C. 6 and 12 D. 6 and 6
Description : What is the current through R2 of the circuit illustrated if the resistances of R1 is 2 ohms, R2 is 4 ohms, and R3 is 4 ohms with a 6 volt battery? EL-0021 A. 0.5 amp B. 1.5 amps C. 3.0 amps D. 6 amps
Description : Heat flux through several resistances in series in analogous to the current flowing through several (A) Resistances in parallel (B) Capacitors in series (C) Resistances in series (D) None of these
Last Answer : (C) Resistances in series
Description : A particle in simple Harmonic Motion while passing through mean position will have a.Maximum kinetic energy and minimum potential energy b.Average kinetic energy and average potential energy c. ... energy d.Maximum kinetic energy and maximum e.Minimum kinetic energy and minimum potential energy
Last Answer : a. Maximum kinetic energy and minimum potential energy
Description : A particle in SHM while passing through mean position will have a.maximum kinetic energy and maximum potential energy b.107 dynes c.maximum kinetic energy and minimum potential energy d.average kinetic energy and average potential energy. e.minimum kinetic energy and maximum potential energy
Last Answer : c. maximum kinetic energy and minimum potential energy
Description : What is the equation of the straight line passing through the point (4, 3) and making intercepts on the co-ordinates axes whose sum is –1 ? -Maths 9th
Last Answer : Diagonals of a rhombus bisect each other at right angles ⇒ Co-ordinates of mid-points of AC and BD are equal∴ 0 = \(\bigg(rac{4+(-2)}{2},rac{-5+(-1)}{2}\bigg)\) = (1, -3)Slope of BD = \(rac{-5+1}{4+2}\) = \(rac{-4}{6}\) ... (rac{3}{2}\) isy + 3 = \(rac{3}{2}\) (x - 1)⇒ 2y + 6 = 3x - 3 ⇒ 2y = 3x - 9.
Description : Which of the following statements is true concerning simple parallel resistance circuits? A. The total current flow equals the sum of the individual currents. B. The total current flow equals the ... resistance. D. The total voltage equals the sum of the individual voltages across each resistance.
Description : The relationship between kinetic energy and the potential energy of a swinging pendulum bob is one of the following. Is it: w) kinetic energy is greater than potential energy x) kinetic ... kinetic energy is equal to potential energy z) kinetic energy plus potential energy equals a constant
Last Answer : ANSWER: Z -- KINETIC ENERGY PLUS POTENTIAL ENERGY EQUALS A CONSTANT
Description : The method of magnetization is: (1) hammering a magnet (2) heating a magnet (3) passing direct current through it (4) passing alternating current through it
Last Answer : (1) hammering a magnet Explanation: Hammering a rod will either allow it to become slightly magnetic inlaid along a magnetic field (i.e.North - South) or demagnetize it if laid across the field lines (i.e. East-West). A current passing through a coil will produce a magnetic field.
Description : If current of 20 mA is passing through op-amp and voltage drop across series resistor is 10 V then value of resistance is A. 500Ω B. 400Ω C. 300Ω D. 200Ω
Last Answer : 500Ω
Description : The method of magnetisation is: (1) hammering a magnet (2) heating a magnet (3) passing direct current through it (4) passing alternating current through it
Last Answer : hammering a magnet
Description : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a region of uniform magnetic field
Last Answer : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a ... D. `(R_(2)//R_(1))^(2)`
Last Answer : Two particles `X` and `Y` with equal charges, after being accelerated throuhg the same potential difference, enter a ... ` D. `((R_(1))/(R_(2))`