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Physics
Physics
Problem
The formula
P
=
I
2
R
P = I^{2}R
P
=
I
2
R
relates power to current and resistance. Which of the following sets of fundamental dimensions confirms that
I
2
R
I^{2}R
I
2
R
has the same dimensions as power? a)
[
M
L
2
T
−
2
]
[M\,L^{2}\,T^{-2}]
[
M
L
2
T
−
2
]
b)
[
L
2
T
−
3
]
[L^{2}\,T^{-3}]
[
L
2
T
−
3
]
c)
[
M
L
2
T
−
3
]
[M\,L^{2}\,T^{-3}]
[
M
L
2
T
−
3
]
d)
[
M
L
T
−
3
]
[M\,L\,T^{-3}]
[
M
L
T
−
3
]
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