Electronic Principles
When operating below its resonant frequency, a series RLC circuit has the characteristics of a:

purely resistive circuit
series RC circuit
series RLC circuit operated above its resonant frequency
series RL circuit
None of these

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Electronic Principles
Which one of the following phrases most accurately describes a purely capacitive circuit?

None of these
Resistances provide the only opposition to current flow
Combinations of resistance and capacitive reactance provide any opposition to current flow
Capacitive reactance provides the only opposition to current flow
The ac voltage leads the current by 90 degree

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Electronic Principles
The total impedance of a parallel RLC circuit:

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

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