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Question

The dimensional formula of the magnetic field (B) is -

A
[M1L0T2A1]
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B
[M1L0T2A1]
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C
[M1L0T2A1]
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D
[M1L0T2A1]
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Solution

The correct option is B [M1L0T2A1]
We know that,

Magnetic Field=ForceCharge×Velocity

Now, substituting them in dimensional form,

[B]=[M1L1T2][A1T1]×[L1T1]

[B]=[M1L0T2A1]

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