Electronic Principles
To get the Norton current, you have to

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

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Electronic Principles
Which one of the following phrases best describes residual magnetism?

The force of attraction between the poles of a permanent and temporary magnetic field
The circular magnetic field that surrounds a conductor carrying a current
None of these
The amount of magnetic flux that is not confined to the core material of an electromagnet
Magnetism that remains in the core of an electromagnet after the current through the coil is turned off

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

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

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