Electronic Principles
Current is

The force that causes electrons to flow
An imbalance of electrical charges
None of these
The flow of charged particles through a material
The number of free electrons in an atom

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Electronic Principles
The rms value of a sine waveform is:

equal to 1.41 times the peak amplitude
None of these
equal to 0.707 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
What is the primary difference between primary and secondary cell batteries?

Secondary-cell batteries can be recharged and used many times, whereas primary-cell batteries cannot be properly recharged
Primary-cell batteries must be recharged at a much slower rate that secondary-cell batteries
Primary-cell batteries can be recharged and used many times, whereas secondary-cell batteries cannot be properly recharged
Primary-cell batteries use chemical cells, whereas secondary-cell batteries use an alternative energy source, such as thermal or magnetic energy, to supplement their outputs
None of these

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

The total voltage of a series circuit is equal to the total current divided by the total resistance
None of these
The total voltage in a series circuit is always less than the value of the smallest voltage
The total voltage in a series circuit is equal to the average value of the individual voltages
The total voltage is equal to the sum of the individual voltages in a series circuit

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