Categories > Current Electricity > Heating Effect of Current > A wire when connected to 220V 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

Current Electricity

Question: A wire when connected to 220V 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


1) 1
2) 4
3) 2
4) 3
Solution: Explanation: No Explanation
Heating Effect of Current Electric Power

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