What is the SI unit of self inductance?
What is the SI unit of self inductance?
1). V A sec
2). Henry
3). V A-1 sec-2
4). ohm
1 answers
Self inductance is the phenomenon by which an opposing induced e.m.f. is produced in a coil due to change in the magnetic flux or current associated with the coil.
We know,
$( e=L \frac{dI}{dt} )$
(No negative sign as taking only magnitude into consideration)
where, e is the induced e.m.f.
dI/dt is the rate of change of current in the coil at that instant
L is the self inductance
$(or, \; L=\frac{e}{dI/dt}=\frac{volt}{ampere\; second^{-1}}=V A^{-1} sec=Henry (H))$
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