Electronic Principles
What is one important thing transistors do?

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

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

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

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Electronic Principles
Current is

The force that causes electrons to flow
The number of free electrons in an atom
An imbalance of electrical charges
The flow of charged particles through a material
None of these

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