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NEET Physics QUESTION #7225
Question 1

What are the dimensions of the magnetic field $B$ in terms of $C$ (coulomb), $M$, $L$, and $T$?

  • $M^1L^1T^{-2}C$
  • $M^1L^0T^{-1}C^{-1}$✔️
  • $M^1L^0T^{-2}C$
  • $M^1L^1T^{-1}C$
Correct Answer Explanation

From the Lorentz force: $F = qvB$

$[B] = \dfrac{[F]}{[q][v]} = \dfrac{MLT^{-2}}{C \cdot LT^{-1}} = MT^{-1}C^{-1} = M^1L^0T^{-1}C^{-1}$