Physical World Units And Measurements Ques 16
16. The dimensional formula for magnetic flux is
[1999]
(a) $[ML^{2} T^{-2} A^{-1}]$
(b) $[ML^{3} T^{-2} A^{-2}]$
(c) $[M^{0} L^{-2} T^{2} A^{-2}]$
(d) $[ML^{2} T^{-1} A^{2}]$
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Answer:
Correct Answer: 16.(a)
Solution:
- (a) Dimension of magnetic flux
$=$ Dimension of magnetic field $\times$ Dimension of area
$[ML^{0} T^{-2} A^{-1}][L^{2}]=[ML^{2} T^{-2} A^{-1}]$