Physics
Grade-9
Easy
Question
Metallic case or body of an electric appliance is earthed
- By connecting the metallic case or body of an electric appliance to earth wire
- By connecting the metallic case or body of an electric appliance to live wire
- By connecting the metallic case or body of an electric appliance to neutral wire
- By connecting the metallic case or body of an electric appliance to earth wire and neutral wire
Hint:
By connecting appliances to earth wire.
The correct answer is: By connecting the metallic case or body of an electric appliance to earth wire
- Metallic case or body of an electric appliance is earthed by connecting the metallic case or body of an electric appliance to earth wire.
- Earthing is used to protect you from an electric shock. It does this by providing a path for a fault current to flow to earth.
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