Electronic Principles
To get the Thevenin voltage, you have to

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

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Electronic Principles
For a pure capacitor:

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

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

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

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