A heater coil is rated 100 W, 200 V. It is cut into two identical parts. Both parts are connected together in parallel, to the same source of 200 V. The energy liberated per second in the new combination is
Text Solution
Verified by ExpertsThe correct answer is:
D
Resistance of heater coil,
Resistance of either half part 
.
Equivalent resistance when both parts are connected in parallel,
Energy liberated per second when combination is connected to a source of 200 V,
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