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Q: Which of the following is not true for oscillator?
  • A. Signs can be sine wave.
  • B. Signs can be square wave.
  • C. Signs can be semi-square wave.
  • D. Signal oscillation transmitted by radio transmitter is an example of signal.
Correct Answer: Option C - An electrical oscillator is an electronic circuit that produces an electronic signal, which can be in the form often a sine wave or a square wave. But it cannot be in a semi-square wave. Hence, common examples of signals generated by oscillators are the signal transmitted by the radio transmitter to the oscillator signal.
C. An electrical oscillator is an electronic circuit that produces an electronic signal, which can be in the form often a sine wave or a square wave. But it cannot be in a semi-square wave. Hence, common examples of signals generated by oscillators are the signal transmitted by the radio transmitter to the oscillator signal.

Explanations:

An electrical oscillator is an electronic circuit that produces an electronic signal, which can be in the form often a sine wave or a square wave. But it cannot be in a semi-square wave. Hence, common examples of signals generated by oscillators are the signal transmitted by the radio transmitter to the oscillator signal.