Electronic Principles
Which one of the following properties of a magnetic circuit can be directly compared to current in an electrical circuit?

Magnetomotive force
None of these
Number of lines of force
Flux density
Reluctance

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Electronic Principles
The rms value of a sine waveform is:

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

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

None of these
The same current always flows through every part of a parallel circuit
The total current in a parallel circuit is equal to the total voltage multiplied by the total resistance
The amount of current flow through each branch of a parallel circuit can be different, depending on the resistance of each branch part and the amount of voltage applied to it
The total current in a parallel circuit is always less than the smallest amount of current

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

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

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Electronic Principles
Which one of the following statements is true for the impedance of a series RC circuit?

The impedance is equal to the sum of the resistance and capacitive reactance
The impedance is greater than either the resistance or capacitive reactance but less than their sum
The impedance is less than the sum of the resistance and capacitive reactance
None of these
The impedance is greater than the sum of the resistance and capacitive reactance

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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 total current. is greater 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 equal to the sum of the currents for the resistance and capacitance
None of these

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