Electronic Principles
The secondary voltage for a certain power transformer is twice the voltage applied to the primary. The current flowing in the secondary winding will be:

None of these
Same as the primary current
One-half the primary current
Twice the primary current
No more than 10% less than the primary current

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Electronic Principles
The south pole of a magnet is the one:

that would be repelled by the north pole of another magnet
that has its molecules arranged in a random pattern
that would be attracted to the earth's south magnetic pole
None of these
that would be attracted to the earths north magnetic pole

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

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

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Electronic Principles
Which one of the following statements best applies to a parallel RLC circuit?

The voltage waveform for each component always has the same amplitude and phase as the applied voltage
The sum of the current is always less than the applied current
None of these
All of these
The current waveform for each component always has the same amplitude and phase as the applied current

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