Question

The coefficient of self inductance and the coefficient of mutual inductance have

• A. same units but different dimensions
• B. different units but same dimensions
• C. different units and different dimensions
• D. same units and same dimensions

Answer 1

Answer: (D)

same units and same dimensions

$Emf=-L\frac{di}{dt}$
$\varphi =Mi$
$Emf\frac{d\varphi }{dt}=-M\frac{di}{dt}$
So, units and dimension of coeffiecent of self inductance and coefficent of mutual inductance are same.