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NEET2012PhysicsElectromagnetic InductionActual

In a coil of resistance 10 , the induced current developed by changing magnetic flux through it, is shown in figure as a function of time. The magnitude of change in flux through the coil in weber is

Options

  1. A8
  2. B2
  3. C6
  4. D4

Correct answer

B. 2

Step-by-step solution

aligned I & = | 1 R d d t | |d | & =|I R d t| d & =( area of triangle ) R & = ( 1 2 4 0.1 ) 10=2 ~Wb aligned

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