Electronic Principles
The total impedance of a parallel RLC circuit:

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

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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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