Physics, 21.08.2019 09:30 Sashakimora2020

Atransmission 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
user: a unit for measuring frequency is the
a. ampere.
b. hertz.
c. ohm.
d. watt.

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Atransmission system at a radio station uses a/an to convert a direct current into a high frequency...