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Electric Circuits

Electric Circuits
Which resistor will be physically larger in size?

 1 k Ω, 1 W.
 100 Ω, 10 W.
 1 M Ω, 1/2 W.
 10 Ω, 50 W.

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Electric Circuits
In an AC circuit, containing pure inductance, the voltage applied is 120 V, 50 Hz while the current is 10 A. Find the value of inductance.

 35 mH.
 38 mH.
 34 mH.
 30 mH.

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Electric Circuits
Four capacitors each of 40 µF are connected in parallel, the equivalent capacitance of the system will be

 10 µF
 5 µF
 40 µF
 160 µF

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Electric Circuits
Phase voltages of a star connected alternator are ER = 240∠0o V, EY = 240∠-120o V and EB = 240∠ + 120o V. What is the phase sequence of the system?

 BYR.
 RYB.
 YBR.
 RBY.

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Electric Circuits
In RLC series circuit R = 2Ω, L = 2mH and C = 1μF and applied voltage is 10V DC. Then what is steady state current value?

 2A
 1A
 0A
 5A

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Electric Circuits
Resistor stores the energy in the form of

None of these
 both A and B.
 electrical field.
 magnetic field.

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MORE MCQ ON Electric Circuits

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