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Q.
The dimensional formula for the magnetic field is
NTA AbhyasNTA Abhyas 2022
Solution:
Magnetic field $=\frac{F o r c e}{C h a r g e \, \times \, v e l o c i t y}$
$ \, =\frac{\left[M L T^{- 2}\right]}{\left[A T\right] \left[L T^{- 1}\right]}=\left[M A^{- 1} T^{- 2}\right]$