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Electric Circuits

Electric Circuits
What would be the power given by source V2?

 - 5 W.
 5 W.
 10 W.
 0 W.

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Electric Circuits
Active materials of a lead acid cell are

 dilute H2SO4.
 all of above.
 spongy lead.
 lead peroxide.

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

 None of these.
 3 A.
 1 A.
  2 A.

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Electric Circuits
What is apparent power in AC operation?

 Product of voltage and current at full load.
 Product of voltage and current.
 Product of voltage and current at no load.
 Product of rms voltage and rms current.

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

 0
None of these
 Both
 ∞

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Electric Circuits
If emf in a given circuit is given by e = 100 sinω0t, then maximum value of voltage and frequency will be

 100√2 V, 100 Hz.
 50√2 V, 100 Hz.
 100 V, 100 Hz.
 100 V, 50 Hz.

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