When a vehicle passes, TV reception gets distorted. This is because
(A) metal reflects radio waves
(B) spark plug creates electromagnetic disturbances
(C) vehicle pollution affects the performance of the TV components
(D) modern vehicles use electro-ignition system
Correct Answer : spark plug creates electromagnetic disturbances
Question Asked : SSC CPO Sub-Inspector Exam 2005
Explanation : Distortion is caused due to the interference caused by the electromagnetic waves generated by a passing vehicle. These waves were within the same frequency range as that of the waves of1V reception and hence cause interference. The produced inference can be constructive or destructive to produce the distortion in either case.
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