Question

6. Acurrent of SA flows through an electric heater which is connected to a voltage of 250 V. Find the amount other
7. Two electric bulbs of 100 W each are used for 8 hours daily. Find the cost of using them for 1 day if the rate is 75 pace
10
Ans. 7500
per unit.
(Ans. Rs. 12
TAO
til difference 10​

Answer 1

Answer:

6)

we know that

R=V/I

R=250/5

R=50 ohms

so ,

heat = 12RT

heat = 5*5*50*10*60

heat = 750000