Electronic Principles
What form of energy is used for creating static electricity?

Light energy
Solar energy
Mechanical energy
None of these
Chemical energy

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Electronic Principles
Which one of the following principles best describes the basic operation of an electromagnet?

Like magnetic poles repel, while unlike poles attract
Current flowing through a conductor generates a magnetic field
None of these
Current is induced in a conductor that is moving through a magnetic field
Like magnetic poles attract, while unlike poles repel

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