Electronic Principles
A power transformer steps 100 V down to 10 V. If the current in its primary winding is 2 A, what is the current in the secondary winding?

50 A
0.20833333333333
20 A
None of these

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

The total current. is greater than the sum of the currents for the resistance and capacitance
None of these
The total current is less than the sum of the currents for the resistance and capacitance
The total current is equal to the sum of the currents for the resistance and capacitance
The current always has the same amplitude and phase for every part of the circuit

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Electronic Principles
Which one of the following statements most accurately applies to the frequency of a waveform?

Unless specified otherwise, the frequency of a waveform is assumed to be 60 Hz
The higher the amplitude of a waveform, the higher its frequency
The actual frequency of a sine waveform is 1.41 times the working frequency
None of these
The longer the period of a waveform, the lower its frequency

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