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

The total voltages is equal to 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 less than the sum of the voltages across the resistance and inductance
None of these

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Electronic Principles
Current is

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

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Electronic Principles
The peak value of a sine waveform is:

None of these
the maximum positive or negative value
the amplitude at 90% of the maximum value
the amplitude at 70.7% of the maximum value
the amplitude at 1.41 times the maximum value

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