Electronic Principles
Which one of the following statements applies to common auto batteries?

Auto batteries are primary dry-cell batteries
Auto batteries are primary wet-cell batteries
None of these
Auto batteries are secondary dry-cell batteries
Auto batteries are secondary wet-cell batteries

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Electronic Principles
Doubling the operating frequency of a purely inductive circuit:

has no effect on the current through the inductors
None of these
doubles the amount of current through the inductors
cuts the current through the inductors one-half
increases the current, but by an amount that can be determined only by doing a complete analysis of the circuit

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