Electronic Principles
Which one of the following principles best describes the basic operation of a generator?

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

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Electronic Principles
In a pure inductor:

ac current leads the voltage by 90 degree
ac current and voltage are exactly in phase
ac current lags the voltage by 90 degree
None of these
ac current is converted to dc voltage

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