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A wire when connected to 220 V mains sup...

A wire when connected to 220 V mains supply has power dissipation `P_(1)`. Now, the wire is cut into two equal pieces which are connected in paralled to the same supply. Power dissipation in this case is `P_(2)`. Then, `P_(2):P_(1)` is

A

`2:1`

B

`1:2`

C

`1:4`

D

`4:1`

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