EXAMIANS
To produce an 800 Hz sine wave, a four-pole generator must be operated at
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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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A sine wave with an rms value of 12 V is riding on a dc level of 18 V. The maximum value of the resulting waveform is
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The conductive loop on the rotor of a simple two-pole, single-phase generator rotates at a rate of 400 rps. The frequency of the induced output voltage is
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If the rms current through a 4.7 k resistor is 4 mA, the peak voltage drop across the resistor 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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A square wave has a period of 60 s. The first odd harmonic is
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If a sine wave goes through 10 cycles in 20 s, the period is
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If the rms voltage drop across a 15 k resistor is 16 V, the peak current through the resistor is
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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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