MCQ
Radio and television are based on:
  • A
    Inverse square law of charges.
  • Production, propagation and reception of electromagnetic waves.
  • C
    Digital logic.
  • D
    Mechanics.

Answer

Correct option: B.
Production, propagation and reception of electromagnetic waves.
Radio and television are based on production $($generation$)$, propagation and reception $($detection$)$ of electromagnetic waves.

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