Electronic Principles
The transistor has a collector current of 10 mA and a base current of 40 mA. What is the current gain of the transistor?

250 µA
None of these
350 µA
0.25 µA
300 µA

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

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

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

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

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