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Physics
Physics
Problem
Which one of the following gives the power dissipated as heat in a transmission line of resistance
R
R
R
carrying a current
I
I
I
? a)
I
2
R
\dfrac{I^{2}}{R}
R
I
2
b)
I
V
IV
I
V
c)
I
2
R
I^{2}R
I
2
R
d)
2
I
2
R
2I^{2}R
2
I
2
R
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