36000J heat energy is to be produced in an electric heater of resistance 1000 ohms through which electric current is passed for 5 minutes. Calculate the current passing through the heater.
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A heater rated 250 W is connected to 220 V supply. calculate (i) resistance of the heater and (ii) current flowing through the heater.
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H= I^2RT
H= 36000
R= 1000OOhms
I= ?
T= 5Min
I^2 = H/RT
= 36000÷ 1000×5
= 7.2
I=root of 7.2 is
2.6 A
so 2.6A of current Of current passes
H= 36000
R= 1000OOhms
I= ?
T= 5Min
I^2 = H/RT
= 36000÷ 1000×5
= 7.2
I=root of 7.2 is
2.6 A
so 2.6A of current Of current passes
Answer is wrong
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