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An electric heater has a resistance of 12 ohm and is operated from a 220 v 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 celcius? |
| Answer» An electric heater has a resistance of 12 ohm and is operated from a 220 v 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 celcius? | |