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Electrical Engineering · all questions

Alternating Current And Voltage
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A square wave has a period of 60 µs. The first odd harmonic is

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Periodic is characterized by a repetition at fixed time intervals.

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The designation rms means repetitions measured per second.

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A saw-tooth wave has a period of 10 ms. Its frequency is

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The average value of a 12 V peak sine wave over one complete cycle is

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The duty cycle of a pulse waveform with a pulse width of 10 µs and a period of 100 µs is 25%.

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If the rms voltage drop across a 15 kΩ resistor is 16 V, the peak current through the resistor is

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The angular position of a phasor represents the angle of the sine wave with respect to a reference.

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The unit of frequency is the hertz.

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How many degrees are there in p/3 rad?

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If the rms current through a 6.8 kΩ resistor is 8 mA, the rms voltage drop across the resistor is

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If the rms current through a 4.7 kΩ resistor is 4 mA, the peak voltage drop across the resistor is

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A pulse waveform has a high time of 8 ms and a pulse width of 32 ms. The duty cycle is

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The length of a phasor represents the amplitude.

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One sine wave has a positive-going zero crossing at 15° and another sine wave has a positive-going zero crossing at 55°. The phase angle between the two waveforms is

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Duty cycle is the characteristic of a pulse waveform that indicates the high time versus the low time.

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A 20 kHz pulse waveform consists of pulses that are 15 µs wide. The duty cycle

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