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Byju's Answer
Standard XII
Physics
Dipole Moment
Find the dime...
Question
Find the dimensional formula of ε
0
.
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Solution
By Coulomb's Law,
F
=
1
4
π
ε
0
q
1
q
2
r
2
⇒
ε
0
=
1
4
π
F
q
1
q
2
r
2
Using [F] = [MLT
−2
]
[r] = [M
0
L
1
T
0
]
[q] = [M
0
L
0
T
1
A
1
], we get
[ε
0
] = [M
−1
L
−3
T
4
A
2
]
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0
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