Asked by sridhar
an heating coil of R=100ohm is connected to 220v supply. calculate time taken if the coil heats 1kg of water from 25degree Celsius to 50degree Celsius
Answers
Answered by
bobpursley
heat= electrical power
masswater*cwater*(50-25)=220^2/100 * timeinseconds
solve for time in seconds
masswater*cwater*(50-25)=220^2/100 * timeinseconds
solve for time in seconds
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