Question

The dimensional formula of rc where r is the resistance and c is the capacitance is given by

Answer 1

R=VI

dimensional formula of R=[M L²T ⁻³A⁻²]

and dimensional formula of C=Q/V

ie [M⁻¹L⁻²T⁴I²]

therefore dimensional formula of RC=

[M⁻¹L⁻²T⁴I²][M L²T ⁻³I⁻²]

=[M⁰L⁰T¹I⁰]