# In the circuit shown ,the switch S1 is closed at time t = 0 and the switch S2, is keot open. At some later time (t0), the switch S1 is opened and S2 is closed. The behaviour of the current I as a function of time 't' is given by:Option 1)     Option 2)  Option 3)   Option 4)

Self Inductance -

An emf is induced in the coil or the circuit which oppose the change that causes it. Which is also known back  emf.

- wherein

During growth

$i=i_{o}(I-e^{\frac{-t}{T}})$

During decay

$i=i_{max}e^{\frac{-t}{T}}$

Option 1)

Option 2)

Option 3)

Option 4)

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