Advertisements
Advertisements
Question
Which one of the following statements is correct?
Options
Live wire has zero potential.
Fuse is connected in a neutral wire.
Potential of live and earth wire is always the same.
Earth wire is used to prevent electric shock.
Advertisements
Solution
Earth wire is used to prevent electric shock.
APPEARS IN
RELATED QUESTIONS
The earth wire protects us from an electric shock.
A switch is connected to the .......... wire.
The red colour insulated wire in a cable is the .............. wire.
A fuse wire should have
What is the colour code for the insulation on the live wire?
Why is the heating coil placed in a circular porcelain plate in an electric stove?
State two advantages of ‘the ring system of house wiring’.
Why mica is preferred to other insulators in an electric iron?
Where is a fuse placed in an electrical circuit? Name a material suitable for making a fuse wire.
Two fuse wires of the same lengths are rated 5A and 20A. Which of the two fuse wires is thick and why?
