When a certain curcuit consisting of a c...

When a certain curcuit consisting of a constant e.m.f. E an inductance L and a resistance R is closed, the current in it increases with time according to curve 1. After one parameter (E, L or R) is changed, the increase in current is closed second time. Which parameter was changed and in what direction?

L is increased

L is decreased

R is incresed

R is decreased

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