1.

(a) Explain why, it is more dangerous to touch the live wire of a mains supply rather than the neutral wire. (b) Why is it safe for birds to sit on naked power lines fixed atop tall electric poles ?

Answer»


Solution :(a) Live wire at HIGH potential of 220 V , NEUTRAL wire at ground potential of 0 V(b) Bird's body is not connected to the earth, so no current FLOWS through bird's body into the earth


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