Physics · Domestic Electric Circuits
Why do screwdrivers used by electricians have handles made of plastic or rubber?
- 1Plastic does not conduct heat, making the screwdriver comfortable to hold in hot weather.
- 2Plastic is an electrical insulator, which prevents electric shocks from the metallic shaft.✓
- 3Plastic increases durability and gives a bright, aesthetic appearance.
- 4Plastic is high-strength and does not crack, ensuring a better mechanical grip.
Correct answer
Plastic is an electrical insulator, which prevents electric shocks from the metallic shaft.
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