A heater of 220 V heats a volume of water in 5 minute time. A heater of 110 V heats the same volume of water in
Text Solution
Verified by ExpertsThe correct answer is:
D
By using 
Here volume of water is same. So same heat is required in both cases. Resistance is also constant so V 2 t = constant
⇒ ⇒ 
⇒ ⇒ 
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