alleryIn a domestic supply, the 'live' and 'neutral' wires are maintained at a potential difference of:
A220 V
B440 V
C12 V
D50 V
Answer & Solution
Correct answer: A. 220 V
1. The home electrical connection has 'live', 'neutral' and 'earth' wires.
2. The chapter states the 'live' and 'neutral' wires have a potential difference of 220 V, while the 'earth' is connected to ground.
3. So the correct value is 220 V.
_Source: Balbharati (Maharashtra Board) Class 10 Science & Technology, Ch 4 "Effects of Electric Current", p.58_
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