Electronic Principles
The current gain of a transistor is defined as the ratio of the collector current to the

supply current
collector current
base current
emitter current
None of these

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Electronic Principles
When applying a square waveform to a capacitor, the circuit tends to:

peak the current and round off the voltage waveforms
None of these
peak both the voltage and current waveforms
round off both the voltage and current waveforms
peak the voltage and round off the current waveforms

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

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

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

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

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