1.

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?

Answer»

L is INCREASED
L is DECREASED
R is incresed
R is decreased

Answer :A


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