Electronic Principles
Which one of the following devices is most often used for measuring opposition to current flow in a circuit?

None of these
Ammeter
Ohmmeter
Voltmeter
Wattmeter

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Electronic Principles
Which one of the following statements is true for resistance in a parallel circuit?

The total resistance in a parallel circuit is equal to the average value of the individual resistances
The total resistance is equal to the sum of the individual resistances in a parallel circuit.
The total resistance of a parallel circuit is always less than the value of the smallest resistance
None of these
The total resistance of a parallel circuit is equal to the total voltage

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Electronic Principles
The total impedance of a parallel RLC circuit:

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

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