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JEE Main 202126 AugustEvening Shift
Exam
JEE Main
Year
2021
Date
26 August
Shift
Evening Shift
Subject
Physics
Chapter
Units and Dimensions

JEE Main 2021 · 26 August · Evening Shift · Physics · Units and Dimensions

Match List - I with List - II : List - I List - II a Magnetic...

Match List - I with List - II :

List - I List - II
a Magnetic induction i ML2T−2A−1{ML}^{2}{T}^{- 2}{A}^{- 1}
b Magnetic flux ii M0L−1A{M}^{0}{L}^{- 1}A
c Magnetic permeability iii MT−2A−1{MT}^{- 2}{A}^{- 1}
d Magnetization iv MLT−2A−2{MLT}^{- 2}{A}^{- 2}

Choose the most appropriate answer from the options given below :

Options

  1. A(a)−(iii),(b)−(ii),(c)−(iv),(d)−(i)( a ) - ( iii ) , ( b ) - ( ii ) , ( c ) - ( iv ) , ( d ) - ( i )
  2. B(a)−(iii),(b)−(i),(c)−(iv),(d)−(ii)( a ) - ( iii ) , ( b ) - ( i ) , ( c ) - ( iv ) , ( d ) - ( ii )
  3. C(a)−(ii),(b)−(iv),(c)−(i),(d)−(iii)( a ) - ( ii ) , ( b ) - ( iv ) , ( c ) - ( i ) , ( d ) - ( iii )
  4. D(a)−(ii),(b)−(i),(c)−(iv),(d)−(iii)( a ) - ( ii ) , ( b ) - ( i ) , ( c ) - ( iv ) , ( d ) - ( iii )

Correct answer

B. (a)−(iii),(b)−(i),(c)−(iv),(d)−(ii)( a ) - ( iii ) , ( b ) - ( i ) , ( c ) - ( iv ) , ( d ) - ( ii )

Step-by-step solution

The dimension of magnetic induction is, MT−2A−1{MT}^{- 2}{A}^{- 1}, the dimension of magnetic flux is, ϕ=B→⋅A→⇒[ϕ]=ML2T−2A−1ϕ = \overset{\to}{B} \cdot \overset{\to}{A} ⇒ \left[ϕ\right] = {ML}^{2}{T}^{- 2}{A}^{- 1}, the dimension of magnetic permeability, MLT−2A−2{MLT}^{- 2}{A}^{- 2} and, the dimension of magnetization, M0L−1A{M}^{0}{L}^{- 1}A.

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