Electronic Principles
The dielectric constant of a material is a measure of:

the amount of voltage it can withstand before breaking down
how well the material concentrates magnetic lines of force
the amount of opposition to the current flow
None of these
how well the material concentrates electrostatic lines of force

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Electronic Principles
A high-pass filter:

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

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Electronic Principles
A farad is defined as the amount of capacitance necessary for:

None of these
storing 1 V for 1 second
changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing
dissipating 1 W of power
causing an ac phase shift greater than 90 degree

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