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

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

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Electronic Principles
Which one of the following is a statement of KirchhofFs voltage law?

The algebraic sum of voltages in a loop is equal to zero
The total voltage in a parallel circuit is less than the value of the smallest voltage
None of these
The algebraic sum of voltages entering and leaving a point is equal to zero
The voltage drop across a resistance is proportional to the value of resistance and the amount of current flowing through it

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Electronic Principles
Waveforms are graphs that show:

amplitude on the vertical axis and frequency on the horizontal axis
amplitude on the vertical axis and the passage of time on the horizontal axis
None of these
frequency on the vertical axis and amplitude on the horizontal axis
the passage of time on the vertical axis and amplitude on the horizontal axis

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