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

base current
supply current
None of these
collector current
emitter current

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Electronic Principles
The north pole of a magnet is the one:

that would be attracted to the earth's north magnetic pole
that would be attracted to the earth's south magnetic pole
that would be repelled by the south pole of another magnet
None of these
that has its molecules arranged in a random pattern

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Electronic Principles
What is a negative ion?

An atom that contains more protons than electrons
An atom that contains more electrons than neutrons
None of these
An atom that contains more protons than neutrons
An atom that contains more electrons than protons

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Electronic Principles
A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?

100 V and a series resistance of 10 k Ohm
100 V and a parallel resistance of 10 k Ohm
None of these
1000 V and a parallel resistance of 10 kOhm
1000 V and a series resistance of 10 k Ohm

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