Question

Power generated across a uniform wire connected across a supply is H.If the wire is cut into n equal parts and all theparts are connected in parallel across the same supply,the total power generated in the wire is

Answer 1

The power generated in the new case is H x n Joules.

It is given that across the same voltage (V), a resistor (R) produces power (H).

If the resistor wire is cut into n parts, the new resistance becomes R / n. 

Since power is calculated as the quotient of Voltage squared and Resistance:

Initial power = V^2 / R = H
Final power = V^2 / (R/n) = H x n

Answer 2

Explanation:

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