KCET2010PhysicsUnits and Dimensions
The dimensions of resistance are same as those of......where h is the Planck's constant, e is the charge.
Options
- Ah² e ²
- Bh² e
- Ch e ²
- Dh e
Correct answer
C. h e ²
Step-by-step solution
Resistance, R = V i = W qi = [ ML ² ~T ⁻² ] [ A ² ~T ] R = [ ML ² ~T ⁻³ ~A ⁻² ] For [ h e ² ]= [ ML ² ~T ⁻¹ ] [ AT ]² = [ ML ² ~T ⁻³ ~A ⁻² ]