Physics, asked by krishanyadav5507, 17 days ago

an electric iron of resistance 20 takes a current of 5a calculate the heat developed in 30 second(5marks)​

Answers

Answered by kiran12355
3

Explanation:

R=20 ohm

I=5A

T=30sec

Heat=H=I^2RT

H=(5)^2*20*30

H=25*20*30

H=15000

H=15KJ

Similar questions