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A heater coil is cut into two equal part...

A heater coil is cut into two equal parts and only one part is now used in the heater. The heat generated will now be

A

`halved

B

one - fourth

C

four times

D

doubled

Text Solution

Verified by Experts

The correct Answer is:
D

`Q = (V^(2))/( R ) t`. When `R` is halved , `Q` is doubled.
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