Electronic Principles
The peak value of a sine waveform is:

the amplitude at 90% of the maximum value
the amplitude at 70.7% of the maximum value
None of these
the maximum positive or negative value
the amplitude at 1.41 times the maximum value

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Electronic Principles
A circuit has a Norton current of 10 mA and a Norton resistance of 10 kW. What is the Thevenin circuit?

100 V and a parallel resistance of 10 k Ohm
None of these
100 V and a series resistance of 10 k Ohm
1000 V and a series resistance of 10 k Ohm
1000 V and a parallel resistance of 10 kOhm

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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
None of these
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
Primary-cell batteries can be recharged and used many times, whereas secondary-cell batteries cannot be properly recharged

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Electronic Principles
Which one of the following statements most accurately describes the nature of inductive reactance?

None of these
Inductive reactance is a force that tends to overcome the effects of counter emf
Inductive reactance is an opposition to current flow in dc circuits
Inductive reactance is another term for counter emf
Inductive reactance is an opposition to current flow in ac circuits

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