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Electric Circuits

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

 3 A.
 1 A.
  2 A.
 None of these.

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Electric Circuits
What is apparent power in AC operation?

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

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Electric Circuits
Five capacitors each of 5 µF are connected in series, the equivalent capacitance of the system will be

 5 µF
 10 µF
 25 µF
 1 µF

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Electric Circuits
The rms value of the resultant current in a wire which carries a DC current of 10A and a sinusoidal current of peak value 20A is

 17.3A .
 14.14A.
 22.4A.
 30A.

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Electric Circuits
If conductance increases as temperature increases it is called as ..........

None of these
 positive co-efficient.
 negative co-efficient.
 both 1 and 2.

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Electric Circuits
A two port network is defined by the relation The value of Z11 is

 -2/11.
 2.
 -3.
 2/11.

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