Question

If the current passing through a heater is halved, then the heat produced by it becomes
a)H/2
b) 4H
c)H/4
d)2H​

Answer 1

If the current passing through a heater is halved, then the heat produced by it becomes. Insert Image Size must be less than < 1MB

Answer 2

hlo mate here is ur ans.

Joules heating is given by,

H = i2Rt

H is the heat produced, i is the current through the wire of resistance R for time t.

If i is halved, i.e., i/ = i/2, then

H/ = (i/)2Rt = (1/4)i2Rt = (1/4)H

Heat produced will decrease 4 times.

Hope this helps! :)

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