A transmission system at a radio station uses a/an _______ to convert a direct current into a high frequency alternating current. A. oscillator B. modulator C. transmitting antenna D. demodulator
A transmission system at a radio station uses an oscillator to convert a direct current into a high frequency alternating current.
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Asked 2/11/2019 9:55:12 AM
Updated 223 days ago|4/28/2024 2:59:26 AM
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