Guest

An electric iron of resistance 20 Q takes a current of 5 A. Calculate the heat developed in 30 s.

An electric iron of resistance 20 Q takes a current of 5 A. Calculate the heat developed in 30 s.

Grade:12th pass

1 Answers

Pawan Prajapati
askIITians Faculty 60796 Points
one year ago
Given R = 20 Ω, I = 5 A, t = 30 s H = I2Rt = (5)2 x 20 x 30 = 15000 J = 1.5 x 104 J

Think You Can Provide A Better Answer ?

Provide a better Answer & Earn Cool Goodies See our forum point policy

ASK QUESTION

Get your questions answered by the expert for free