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Question
Explain the statement of An oscillator produces an oscillatory disturbance that moves through the surrounding medium
Options:
A .  If the oscillator is a mechanical oscillator and if it is placed in liquid like water, it produces waves that travel in a liquid medium
B .  If the oscillator is an electronic circuit, then electromagnetic waves are produced and transmitted to surrounding air/vacuum through inductance coils or antenna
C .  If the oscillator is an electronic circuit, then electromagnetic waves fail to develop
D .  Both A & B
Answer: Option D

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