A uniform but time-varying magnetic field B ( t ) exists in a circular region of radius a…
Physics · JEE Advanced · NTA Exams — Electromagnetic Induction and Alternating Currents
A uniform but time-varying magnetic
field B(t) exists in a circular region of radius a and is directed into the plane of the paper, as shown in the figure. The magnitude of the induced electric field at point P at a distance r from the centre of the circular region
field B(t) exists in a circular region of radius a and is directed into the plane of the paper, as shown in the figure. The magnitude of the induced electric field at point P at a distance r from the centre of the circular region- is zero
- decreases as
- increases as r
- decreases as
Answer
(D) decreases as
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