engineering recuitment ICAR Technician 2021 Mock Test (Re-Exam) General Science Physics Current Electricity
A wire when connected to 220 V main supply has power dissipation 'P1'. Now the wire is cut into two equal pieces and combined in parallel and then it is connected to the same supply. The power dissipation in this case is 'P2'. Find P1 ∶ P2
1
2 ∶ 1
2
3 ∶ 1
3
1 ∶ 2
4
1 ∶ 4