Electronic Principles
Assuming 100% efficiency, what is the power being applied to the primary winding of the transformer described in the above question?

1000 W
None of these
100 W
20 W
200 W

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Electronic Principles
A farad is defined as the amount of capacitance necessary for:

dissipating 1 W of power
None of these
storing 1 V for 1 second
causing an ac phase shift greater than 90 degree
changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing

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Electronic Principles
Which one of the following statements is true for the voltage in a parallel RC circuit?

None of these
The voltage always has the same amplitude and phase for every part of the circuit
The total voltage is less than the sum of the voltages across the resistance and capacitance
The total voltage leads the total current by less than 90 degree
The total voltage is equal to the sum of the voltages across the resistance and capacitance

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