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A heater coil connected to a supply of a...

A heater coil connected to a supply of a 220 V is dissipating some power `P_1`. The coil is cut into half and two halves are connected in parallel. The heater now dissipates a power `P_2`. The ratio of power `P_1 : P_2` is

A

`2 : 1`

B

`1 : 2`

C

`1 : 4`

D

`4 : 1`.

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