ScienceCLASS 10ICSE
answered 27 Mar 2026An electric heater of resistance 8Ω takes a current of 15A from the mains supply line. Calculate the rate at which heat is developed in the heater.
A.VERIFIED ANSWERfact-checked by tutors
Given,
R = 8ohm I = 15amp T =1s
We know that, H = I2RT
H = 1800J/s