1(xi)
According to the old convention, the colour of the earth wire is :
- (a)black
- (b)green
- (c)yellow
- (d)red
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green
Reason — In the old colour convention, green colour is used for earth wire.
According to the old convention, the colour of the earth wire is :
ICSE Class 10 Physics PYQ · 2025 Specimen · Section A