Physics Magnetic Effects of Electric Current CBSE Board 2026 Medium
A person was repairing an electric heater. He observed that there were three different connecting wires of th…
A person was repairing an electric heater. He observed that there were three different connecting wires of three different colours in the cable attached to the heater.
- (i)What are these three different wires called ? Name them colourwise.
- (ii)What is the value of standard potential difference at which electricity is supplied in Indian homes for lighting ?
- (iii)What is the role of (I) earthing and (II) fuse in domestic electric circuits ?
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