B2 The dimensions of where B is magnetic field and on 2μο is the magnetic permeability of vacuum, is:
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Answered by
0
Answer:
Correct option is
A
ML
−1
T
−2
2μ
0
B
2
is the energy density in magnetic field
[Energy density] =
[Volume]
[Energy]
[Energy]=[Force]×[displacement]
[volume]=[displacement]
3
[Energy density]=
[displacement]
3
[force]×[displacement]
=
[L
3
]
[MLT
−2
]×[L]
[L
3
]
]ML
2
T
−2
]
=[ML
−1
T
−2
]
∴[
2μ
0
B
2
]=[ML
−1
T
−2
]
Option (A) is correct.
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