EXAMIANS
A waveform has a baseline of 3 V, a duty cycle of 20%, and an amplitude of 8 V. The average voltage value is
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To produce an 800 Hz sine wave, a four-pole generator must be operated at
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A sawtooth wave has a period of 10 ms. Its frequency is
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A phasor represents
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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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A sine wave of 15 kHz is changing at a faster rate than a sine wave with a frequency of
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A sinusoidal current has an rms value of 14 mA. The peak-to-peak value is
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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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Two series resistors are connected to an ac source. If there are 7.5 V rms across one resistor and 4.2 V rms across the other, the peak source voltage is
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Sine wave A has a positive-going zero crossing at 45°. Sine wave B has a positive-going zero crossing at 60°. Which of the following statements is true?
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