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Electric Circuits

Electric Circuits
Basic cut set matrix consists of

 one branch.
 any number of branches.
 2 branch.
 no branches.

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

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

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Electric Circuits
An AC voltage of 200 V at 50 Hz is applied to a coil which draws 5 A and dissipates 1000 W. The resistance and impedance of the coil respectively are

 40 Ω and 200 Ω.
 25 Ω and 5 Ω.
 40 Ω and 40 Ω.
 50 Ω and 200 Ω.

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Electric Circuits
Total power consumed in the circuit below is 10 W. Find X.

  2 A.
 1 A.
 None of these.
 3 A.

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

 ∞
 Both
None of these
 0

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Electric Circuits
The time required for a pulse to change from 10 % to 90 % of its maximum value is known as

 decay time.
 rise time.
 run time.
 fall time.

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