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General
Easy
Question
Some magnetic flux is changed from a coil of resistance 10 ohm. As a result an induced current is developed in it, which varies with time as shown in figure. The magnitude of change in flux through the coil in webers is
- 2
- 4
- 6
- None of these
The correct answer is: 2
Area under i – t graph
(Area under i – t graph) R
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