Electronic Principles
The total impedance of a parallel RLC circuit:

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

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

The total current is less than the sum of the currents for the resistance and capacitance
The current always has the same amplitude and phase for every part of the circuit
The total current. is greater than the sum of the currents for the resistance and capacitance
None of these
The total current is equal to the sum of the currents for the resistance and capacitance

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Electronic Principles
The rms value of a sine waveform is:

the time required to complete one full cycle
equal to 1.41 times the peak amplitude
None of these
the number of cycles completed in one second
equal to 0.707 times the peak amplitude

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Electronic Principles
Which one of the following statements is true for current flowing in a series circuit?

The amount of current flow through each part of a series circuit can be different, depending on the resistance of each part and the amount of voltage applied to it
The same current flows through every part of a series circuit
The total current in a series circuit is equal to the sum of the currents flowing through the individual components in the circuit
None of these
The total current in a series circuit is equal to the total voltage multiplied by the total resistance

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