Electronic Principles
Which one of the following equations most directly determines the power dissipation of a resistance when you know the voltage drop and amount of resistance?

P = IE
P = I2R
None of these
P = E2/R
I = P/E

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Electronic Principles
A farad is defined as the amount of capacitance necessary for:

None of these
dissipating 1 W of power
causing an ac phase shift greater than 90 degree
changing the voltage on the plates at the rate of 1 V per second when 1 A of current is flowing
storing 1 V for 1 second

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

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

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