Electronic Principles
What is one important thing transistors do?

Regulate voltage
None of these
Rectify line voltage
Emit light
Amplify weak signals

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Electronic Principles
The total impedance of a parallel RLC circuit:

always decreases as the applied frequency increases
is equal to the sum of the values of resistance, inductive reactance and capacitive reactance
is maximum at the resonant frequency
always increases as the applied frequency increases
None of these

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