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Class 11 NEET Physics Physical World, Units and Measurements
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© examsnet.com
Question : 64
Total: 67
Dimensional formula of self inductance is
( 1989 )
[
MLT
−
2
A
−
2
]
[
ML
2
T
−
1
A
−
2
]
[
ML
2
T
−
2
A
−
2
]
[
ML
2
T
−
2
A
−
1
]
Validate
Solution:
Induced
emf
|
ε
|
=
L
d
I
d
t
where
L
is the self inductance and
d
I
d
t
is the rate of change of current.
∴ Dimensional formula of
L
=
|
ε
|
d
I
d
t
=
[
ML
2
T
−
3
A
−
1
]
[
AT
−
1
]
=
[
ML
2
T
−
2
A
−
2
]
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