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ELECTRIC CIRCUITS

Electric Circuits
If a resistor is connected across the voltage source and the frequency of voltage and current wave form is 50Hz, then what is frequency of instantaneous power

 100 Hz.
 0 Hz.
 150 Hz.
 50 Hz.

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

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

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Electric Circuits
Average power taken by the pure capacitor is

 Maximum
 Any of the above
 Minimum
 Zero

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Electric Circuits
In a series R, L circuit, voltage across resistor and inductor are 3 V and 4 V respectively, then what is the applied voltage?

 5V
 3V
 4V
 7V

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Electric Circuits
The alternative names for active power is/are

 real power.
All of these
 average power.
 true power.

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