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Which formula correctly gives the heat (in joule) produced when a current flows…
PHYSICS · Single correct · CBSE · Physics · Electricity · Electricity
Problem
Which formula correctly gives the heat
H
H
H
(in joule) produced when a current
I
I
I
flows through a resistor of resistance
R
R
R
for a time
t
t
t
? (a)
H
=
1
2
I
2
R
t
H = \dfrac{1}{2} I^{2} R t
H
=
2
1
I
2
R
t
(b)
H
=
I
2
R
t
H = I^{2} R t
H
=
I
2
R
t
(c)
H
=
0.24
I
2
R
t
H = 0.24\, I^{2} R t
H
=
0.24
I
2
R
t
(d)
H
=
V
2
t
2
R
H = \dfrac{V^{2} t}{2 R}
H
=
2
R
V
2
t
Related theory
Heating Effect of Current
Electrical Energy
Electrical energy and power
Current Electricity
Electrical power and energy
Heating effect of electric current
Electricity
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