Electronic Principles
The total impedance of a series RLC circuit:

is maximum at the resonant frequency
is minimum at the resonant frequency
None of these
always decreases as the applied frequency increases
always increases as the applied frequency increases

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Electronic Principles
Which one of the following statements applies to common auto batteries?

None of these
Auto batteries are primary wet-cell batteries
Auto batteries are secondary wet-cell batteries
Auto batteries are primary dry-cell batteries
Auto batteries are secondary dry-cell batteries

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

The total current leads the total voltage by less than 90
None of these
The total current is equal to the sum of the currents through the resistance and inductance
The total current is less than the sum of the currents through the resistance and inductance
The current always has the same amplitude and phase for every part of the circuit

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