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Some magnetic flux is changed from a coi...

Some magnetic flux is changed from a coil resistance `10Omega`. As a result an induced current developed in it. Which varies with time as shown figure, The magnitude of changes f in flux through the coil (in webers) is

A

100

B

200

C

2

D

1

Text Solution

Verified by Experts

The correct Answer is:
A

`Delta varphi = R Delta q= 10 xx (10xx2)/(2) = 100 Wb`
`Delta = "area under " I - t ` curve .
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