First slide

Dimensions

Question

The dimensional formula for magnetic flux is

Moderate

A

$[{ML}^{2} T^{- 2} A^{- 1}]$
B

$[{ML}^{3} T^{- 2} A^{- 2}]$
C

$[M^{0} L^{- 2} T^{- 2} A^{- 2}]$
D

$[{ML}^{2} T^{- 1} A^{2}]$

Solution

$[φi] = [E] \Rightarrow [φ] = \frac{[E]}{[i]} = [\frac{M L^{2} L^{2}}{A}] = [M L^{2} T^{- 2} A^{- 1}]$

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