Electronic Principles
The knee voltage of a diode is approximately equal to the

Applied voltage
None of these
Forward voltage
Breakdown voltage
Barrier potential

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Electronic Principles
Which one of the following phrases most accurately describes a purely inductive circuit?

None of these
Inductive reactance provides the only opposition to current flow
The ac voltage lags the current by 90 degree
Combinations of resistance and inductive reactance provide any opposition to current flow
Resistances provide the only opposition to current flow

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Electronic Principles
Which one of the following statements applies to common, non-rechargeable flashlight batteries?

Common flashlight batteries are secondary wet-cell batteries
Common flashlight batteries are secondary dry-cell batteries
Common flashlight batteries are primary wet-cell batteries
Common flashlight batteries are primary dry-cell batteries
None of these

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