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The power of a heating coil is P. it is ...

The power of a heating coil is P. it is cut into two equal parts. The power of one of them across same mains is

A

2P

B

3P

C

P/2

D

4P

Text Solution

Verified by Experts

The correct Answer is:
A
`P = V^(2)/R , R = (rho)l/A`
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