Physics, asked by gujjulanarendharredd, 11 months ago

An electric heater of 1 kilowatt is connected across 230 volt supply if the heater coil diameter is 1.5 centimetre having a resistivity of 90 into 10 ^ - 4 ohm metre calculate the necessary length of the heater

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Answered by risheshshukla12

0

Answer:

Answer is 1.212 m .............. .....

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