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

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

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Electronic Principles
The total impedance of a parallel RLC circuit:

None of these
is maximum at the resonant frequency
always increases as the applied frequency increases
is equal to the sum of the values of resistance, inductive reactance and capacitive reactance
always decreases as the applied frequency increases

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