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UPSC Prelims 1991Question 31Science & Technology

A passing motorcycle causes distortion or disturbance with reception of signal in radio and T.V. The cause of this is

Options

  1. (a)The intense sound waves effect the small electronic devices of the receptor
  2. (b)The vehicle’s metal parts block/distort the radio waves
  3. (c)The spark plug fitted in the engine produces electromagnetic signals due to sparking
  4. (d)Modern motorcycles are fitted with electric ignition system which produces radio waves

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