Which one of the following is the unit of self inductance of a coil ?

Options

A. `Volt^(-1)A^(-1)`
B. `Volt^(-1)A`
C. Volt sec `A^(-1)`
D. `Volt^(-1)A^(-1)` sec

Answer

C

Explanation

`e = L(dI)/(dt)`
`:. L = (e)/((dI)/(dt)) = ("Volt")/("Amp.//sec") = ("Volt sec")/(Amp.)`
Volt sec `A^(-I)`.