A wire when connected to 220 V mains supply has power dissipation `P_1`. Now the wire is
Channel: Doubtnut
Date: 2020-07-05

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 parallel to the same supply. Power dissipation in this case is `P_2`. Then `P_2: P_1` is