Electronic Principles
To get the Thevenin voltage, you have to

Open the voltage source
Open the load resister
Short the voltage source
None of these
Short the load resistor

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

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

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Electronic Principles
When a series RLC circuit is operating at its resonant frequency:

capacitive reactance is greater than the inductive reactance
inductive reactance is greater than the capacitive reactance
None of these
inductive reactance is equal to the capacitive reactance
the difference between inductive and capacitive reactance is equal to the resistance

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