Electronic Principles
What is one important thing transistors do?

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

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

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

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Electronic Principles
When applying a square waveform to a capacitor, the circuit tends to:

round off both the voltage and current waveforms
peak the voltage and round off the current waveforms
peak both the voltage and current waveforms
peak the current and round off the voltage waveforms
None of these

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Electronic Principles
Which one of the following statements is true for the voltages in a series RL circuit?

None of these
The total voltage lags the total current by less than 90
The total voltage is less than the sum of the voltages across the resistance and inductance
The voltage always has the same amplitude and phase for every part of the circuit
The total voltages is equal to the sum of the voltages across the resistance and inductance

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