Electronic Principles
A device that converts chemical energy to electrical energy is called a:

solar cell
None of these
electric device
chemical cell
thermocouple

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Electronic Principles
The south pole of a magnet is the one:

that has its molecules arranged in a random pattern
that would be repelled by the north pole of another magnet
None of these
that would be attracted to the earth's south magnetic pole
that would be attracted to the earths north magnetic pole

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Electronic Principles
What is the difference between the kinds of charges for an electron and a proton?

An electron has a positive charge and a proton has no charge
None of these
An electron has a negative charge and a proton has no charge
An electron has a negative charge and a proton has a positive charge
An electron has a positive charge and a proton has a negative charge

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

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

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