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

The current always has the same amplitude and phase for every part of the circuit
The total current is less 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
The total current. is greater than the sum of the currents for the resistance and capacitance

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

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

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Electronic Principles
The period of a waveform is:

equal to 0.707 times the peak amplitude
the number of cycles completed in one second
the time required to complete one full cycle
the time required for the voltage to rise from 10% to 90% of the peak amplitude
None of these

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Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

Current is induced in a conductor that is moving through a magnetic field
Current flowing through a conductor generates a magnetic field
None of these
Like magnetic poles repel; unlike poles attract
Like magnetic poles attract; unlike poles repel

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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 greater than the sum of the resistance and capacitive reactance
The impedance is equal to the sum of the resistance and capacitive reactance
None of these
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

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