Question

A electric toaster of resistance 20 Ohm takes a current of 5A. Calculate the heatdeveloped in 30 s.

Answer 1

I hope It helped you

Answer 2

Given :-

R = 20 Ω

I = 5 A

t = 30 s

H = I^2Rt

= (5)^2×20×30

= 15000 J

= 1.5 × 10^4 J