Physics, asked by ThanuCL, 1 year ago

An electric heater of resistance 8ohm draws 15 A from the mains for 2hours Calculate the rate at which heat is developed

Answers

Answered by chandresh126
3
Hey Thanu,
Here is ur Answer:

Here Given that Resistance of the electric heater (R) = 8 Ω
Current drawn (I) = 15 A

We know that P = I2R
= 15×15×8
= 1800w or J/s

∴ Heat is produced by the heater at the rate of 1800 J/s.

chandresh126: Ur welcome dear.
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