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 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
None of these

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Electronic Principles
Current is

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

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

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

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