Categories > Current Electricity > Heating Effect of Current > A heater coil connected to a supply of a 220 V is dissipating some power ${P_1}.$ The coil is cut into half and the two halves are connected in parallel. The heater now dissipates a power ${P_2}.$ The ratio of power ${P_1}\,\,:\,\,{P_2}$is

Current Electricity

Question: A heater coil connected to a supply of a 220 V is dissipating some power ${P_1}.$ The coil is cut into half and the two halves are connected in parallel. The heater now dissipates a power ${P_2}.$ The ratio of power ${P_1}\,\,:\,\,{P_2}$is


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

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