Inverters are used to vary the frequency of current in an electrical circuit. With a pulse-width modulator inverter, short pulses are used for _______ speeds and longer pulses are used for ________ speeds. a. intermittant, modulating b. low, high c. high, low d. modulating, intermittant
Question
Inverters are used to vary the frequency of current in an electrical circuit. With a pulse-width modulator inverter, short pulses are used for _______ speeds and longer pulses are used for ________ speeds. a. intermittant, modulating b. low, high c. high, low d. modulating, intermittant
Solution
The correct answer is b. low, high. In a pulse-width modulator inverter, short pulses are used for low speeds and longer pulses are used for high speeds.
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