A wire when connected to 220 V main supply has power dissipation P 1 . Now the wire is…
Physics · NEET · NTA Exams — Current Electricity
A wire when connected to 220 V main supply has power dissipation P1. Now the wire is cut into two equal pieces which are connected in parallel to the same supply. Powers dissipation in this case is P2. Then P2 : P1 is
- 1
- 4
- 2
- 3
Answer
(B) 4
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