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

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
None of these
The total voltage is less than the sum of the voltages across the resistance and capacitance
The voltage always has the same amplitude and phase for every part of the circuit

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Electronic Principles
Which one of the following phrases most accurately describes a purely capacitive circuit?

None of these
Combinations of resistance and capacitive reactance provide any opposition to current flow
Resistances provide the only opposition to current flow
Capacitive reactance provides the only opposition to current flow
The ac voltage leads the current by 90 degree

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Electronic Principles
The peak value of a sine waveform is:

None of these
the amplitude at 1.41 times the maximum value
the maximum positive or negative value
the amplitude at 70.7% of the maximum value
the amplitude at 90% of the maximum value

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