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

None of these
base current
emitter current
supply current
collector current

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

The total resistance of a parallel circuit is equal to the total voltage
None of these
The total resistance of a parallel circuit is always less than the value of the smallest resistance
The total resistance in a parallel circuit is equal to the average value of the individual resistances
The total resistance is equal to the sum of the individual resistances in a parallel circuit.

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Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

None of these
Like magnetic poles attract; unlike poles repel
Like magnetic poles repel; unlike poles attract
Current flowing through a conductor generates a magnetic field
Current is induced in a conductor that is moving through a magnetic field

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