The current i in an inductance coil varies with time, t according to the graph shown in fig. Which one of the following plots shows the variation of voltage in the coil with time
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
According to 
graph, in the first half current is in-creasing uniformly so a constant negative emf induces in the circuit.
In the second half current is decreasing uniformly so a constant positive emf induces
Hence graph is correct
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