Q. Which of the following precautions need not be taken while using electric gadgets / appliances/circuit?
  • (A) We should never touch a lighted electric bulb connected to the mains.
  • (B) We should never experiment with the electric supply from the mains or a generator or an inverter.
  • (C) We should never use just any wire or strip of metal in place of a fuse.
  • (D) We should never turn the switch in ON position.
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✅ Correct Answer: (D) We should never turn the switch in ON position.

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