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Identify the functions below as belonging to one of these radio transmission devices: oscillator, transmitting antenna, microphone, or modulator.
a.Sends out radio waves having the same frequency as the current supplied by the oscillator.
b. Enables the waves produced by the antenna to “carry” the pattern of the sound waves picked up by the microphone.
c. Converts a direct current into a high-frequency alternating current.
d. Picks up sound waves and converts them into suitable electric current with the same pattern as the sound waves.

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Answer:

Conditions that result in the emission of electrons from a conductor:

Heating the conductor to a suitable temperature

Exposing the conductor to a strong light

Subjecting the conductor to a very high applied voltage

Subjecting the conductor to high-speed electrons from another source

Both diodes and triodes influence current flow and contain electrodes. Diodes involve only two active pieces; triodes contain three electrodes within a tube. Current can flow through a diode in only one direction. Diodes tend to act as rectifiers. In a triode, the third electrode is a grid located between the cathode and the anode. A small difference of potential between the grid and the cathode controls the number of electrons that reach the anode. Adjusting the charge on the grid affects the number of electrons that can reach the anode. Triodes tend to act as amplifiers.

Transmitting antenna

Modulator

Oscillator

Microphone

RF amplifier

Receiving antenna

Loudspeaker

Demodulator

Tuner

hue, saturation, intensity/brightness

red, blue, green

Explanation:

Penn Foster

Transmitting devices are those as mass connectors NIC and the repeater hubs. Most frequently the power transmission devices are used.

  • a. same frequency as the current supplied by the oscillator is the transmitting antenna.
  • b. It allows the waves produced by the antenna to “carry” the pattern of the sound waves picked up by the microphone is the oscillator
  • c. It converts the direct current into a high-frequency alternating current is the modulator
  • d. Picks up all sound waves and converts to electric current with the same pattern as the sound waves.  is the microphone.

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