An electric toaster of resistance 20 ohm takes a current of 5a. calculate the heat developed in 30s.
Answers
Answered by
10
Hii friend,
The formula for the heat evolved is
H=I²RT.
H => 5×5×20×30
H => 15000J (or)15 Kj.
Hope this helps you a little!!!
The formula for the heat evolved is
H=I²RT.
H => 5×5×20×30
H => 15000J (or)15 Kj.
Hope this helps you a little!!!
Answered by
12
Given :-
R = 20 Ω
I = 5 A
t = 30 s
H = I^2Rt
= (5)^2×20×30
= 15000 J
= 1.5 × 10^4 J
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