## Questions and Answers

What is the peak value of an alternating voltage waveform represented by v = 200 sin (628.4t – 0.41) volts?

In an alternating voltage waveform v = 20 sin 157.1t volts, what is the frequency of the waveform?

For an alternating voltage waveform v = 200 sin (628.4t – 0.41) volts, what is the periodic time of the waveform?

What is the phase angle of an alternating voltage waveform represented by v = 200 sin (628.4t – 0.41) volts?

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A waveform has a peak to peak value of 300V, calculate the waveform's rms value.

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In an alternating voltage waveform v = 20 sin 157.1t volts, what is the maximum value of the waveform?

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What is the frequency of the generated emf when the rotational speed is 900 rev/minute?

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What is the periodic time of the sinewave shown in the figure if its frequency is 5 kHz?

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What is the peak-to-peak value of the alternating voltage v=75 sin(200πt-0.25) volts?

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If the rms value of an alternating voltage is 50 V, what is its maximum value?

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What is the phase angle of the alternating voltage v=75 sin(200πt-0.25) volts?

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If the amplitude of an alternating voltage is 10V, what is its frequency if the periodic time is 100μs?

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How many times is the minimum value of emf or current reached during one cycle of ac?

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What is the correct formula for calculating the period of a sine wave?

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Which term represents the time taken to complete one cycle of an alternating current?

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What does the phase angle of a sine wave indicate?

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If the effective voltage of a sine wave is 150V, what is the peak voltage?

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What characteristic differentiates an AC wave from a DC wave in terms of comparison?

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