railway RRB ALP (CBT 1 + CBT 2 + CBAT) Mock Test Series 2025 (New) Physics Units, Dimensions and Measurements Dimensional analysis and its applications
Which one of the following is NOT correct?
1
Dimensional formula of thermal conductivity (K) is M1L1T-3K-1
2
Dimensional formula of potential (V) is M1L2T-3A-1
3
Dimensional formula of permeability of free space (μ0) is M1L1T-2A-1
4
Dimensional formula of RC is M0L0T1