NEETPhysicsUnits and Dimensions
Match List I with List-II array |l|l|r|l| List-I & List-II A. & Torque & I. & [M^1 L^1 T⁻² A⁻² ] B. & Magnetic field & II. & [L^2 A^1 ] C. & Magnetic moment & III. & [M^1 T⁻² A⁻¹ ] D. & Permeability of free space & IV. & [M^1 L^2 T⁻² ] array Choose the correct answer from the options given below:
Options
- AA-III, B-I, C-II, D-IV
- BA-IV, B-II, C-III, D-I
- CA-IV, B-III, C-II, D-I
- DA-I, B-III, C-II, D-IV
Correct answer
C. A-IV, B-III, C-II, D-I
Step-by-step solution
aligned & [ ]=[ r F ]= [ ML ^2 ~T ⁻² ] & [ F ]=[ qVB ] & B = ( F qV )= [ MLT ⁻² ATLT ⁻¹ ]= [ MA ⁻¹ ~T ⁻² ] & [ M ]=[ I A ]= [ AL ^2 ] & B = ₀ 4 Idl r ^2 & [ ]= [ Br ^2 Idl ]= [ MT ⁻² ~A ⁻¹ L ^2 AL ] & = [ MLT ⁻² ~A ⁻² ] aligned