Electronic Principles
What is a free electron?

An electron that has twice the amount of charge of a normal electron
An electron that costs nothing
None of these
An electron that has no electrical charge
An electron that has been freed from its parent atom

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

None 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
The voltage waveform for each component always has the same amplitude and phase as the applied voltage
All of these

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Electronic Principles
A low-pass filter:

passes lower-frequency signals and reduces higher-frequency signals
has no effect on ac signals
reduces the level of all frequencies by a significant amount
None of these
passes higher-frequency signals and reduces lower-frequency signals

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Electronic Principles
One henry of inductance is defined as:

None of these
the number of turns of wire in an inductor multiplied by the amount of current flowing through it
the amount of inductance required for generating 1 V of counter emf when the current changes at the rate of 1 A per second
the amount of inductance required to change the frequency of a current by 1 Hz
the amount of counter emf required to reduce a current to 1 A

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