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Electric Circuits

Electric Circuits
From the circuit diagram shown in question 1 find the Norton current.

 2.5 A.
 4 A.
 2 A.
 1 A.

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Electric Circuits
Time constant of RL series circuit is

 2L/R
 L/R
 2RC
 RC

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Electric Circuits
A conductor of length l meters moves at right angles to a uniform magnetic field of flux density B = 1.5 T. if the velocity of revolution of the conductor is 50 ms-1 then induced e.m.f. in the conductor is

 0 V.
 75 V.
 100 V.
 125 V.

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Electric Circuits
The strength of current in 1 H inductor changes at rate of 1 A / sec. Find the voltage across it?

 2 V.
 1 V.
 0.5 V.
 None of these.

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Electric Circuits
For ideal tank circuit what is the value of dynamic impedance?

None of these
 ∞
 0
 Both

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Electric Circuits
If a pure inductor is connected across the ac source, the average power taken by the inductor is

 a few watt.
 maximum power.
 100 watt.
 zero watt.

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