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Electric Circuits

Electric Circuits
Ampere second is the unit of

 power.
 charge.
 energy.
 conductance.

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Electric Circuits
Two resistances R1 and R2 are connected in series across the voltage source where R1 > R2. The largest drop will be across

 R2.
 either R1 or R2.
 R1.
 none of them.

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Electric Circuits
What is the relation between time period T and frequency?

 T = 0.85 / frequency.
 T = 1 / frequency.
 T = 0.5 / frequency.
 T = frequency.

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Electric Circuits
Emf induced in a coil rotating in a uniform magnetic field will be maximum when the

 flux linking with the coil is maximum.
 rate of change of flux linkage is maximum.
 rate of cutting flux by coil sides is minimum.
 rate of change of flux linkage is minimum.

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Electric Circuits
An alternating voltage = 140 sinθ is supplied to a device which offers a resistance of 20 Ω in forward direction of current in reverse direction. Calculate the form factor.

 1.11.
 0.318.
 0.57.
 1.414.

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Electric Circuits
In a capacitive circuit, the capacitive reactance is

 directly proportional to the square of frequency
 directly proportional to frequency
 indirectly proportional to frequency
 indirectly proportional to the square of frequency

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MORE MCQ ON Electric Circuits

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