Question

An electric heater has a resistance of 12 12
and is operated from a 220 V power line. If
no heat escapes from it, how much time is
required to raise the temperature of 40 kg of
water from 15°C to 80°C? (Ans. 2703 s).



Answer with steps and explanation.please​

Answer 1

Answer:

An electric heater has a resistance of 12 ohm and is operated from a 220 V power line . If no heat is escaped from it , how much time is taken to raise the temperature of 40 kg

Explanation:

please follow me and mark me as brainlist