📊 Physics
Q. A remote control gadget (for TV etc.) has in it
  • (A) a small oscillator that emits electric pulses
  • (B) a small transmitter that emits infrared signals
  • (C) a small electromagnet, that emits electromagnetic waves
  • (D) none of these
✅ Correct Answer: (B) a small transmitter that emits infrared signals

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4 y ago
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Rakesh Yadav
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