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Physics
Physics
Problem
The product
V
a
I
b
R
c
V^{a}I^{b}R^{c}
V
a
I
b
R
c
is intended to represent electrical power. Which of the following sets of exponents
(
a
,
b
,
c
)
(a,\,b,\,c)
(
a
,
b
,
c
)
makes the dimensions of the product equal to those of power? a)
(
2
,
0
,
1
)
(2,\,0,\,1)
(
2
,
0
,
1
)
b)
(
1
,
1
,
0
)
(1,\,1,\,0)
(
1
,
1
,
0
)
c)
(
0
,
1
,
1
)
(0,\,1,\,1)
(
0
,
1
,
1
)
d)
(
1
,
2
,
−
1
)
(1,\,2,\,-1)
(
1
,
2
,
−
1
)
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