An electric iron of resistance 20 Ω draws a current of 5 A. The heat developed in the iron in 30 seconds is :

An electric iron of resistance 20 Ω draws a current of 5 A. The heat developed in the iron in 30 seconds is :
  1. 15000 J
  2. 6000 J
  3. 1500 J
  4. 3000 J

Solution

15000 J

Asked in: CBSE

Practice more ELECTRICITY questions on Aicharya