A conducting loop lies in the plane of the page and carries a counterclockwise i

Question

A conducting loop lies in the plane of the page and carries a counterclockwise induced current. Based on this evidence, which of the following statements could be true? A constant magnetic field points into the page. A constant magnetic field points out of the page. A decreasing magnetic field points into the page. A decreasing magnetic field points out of the page. An increasing magnetic field points into the page. An increasing magnetic field points out of the page. Explain your response in the space provided.

Explanation / Answer

According to faradays law induce emf V = -AdB/dt

induced current i = -(A/R)(dB/dt)

Fleming Right Hand rule states "Hold out the right hand with the first finger, second finger and thumb at right angle to each other. If forefinger represents the direction of the line of force, the thumb points in the direction of motion or applied force, then second finger points in the direction of the induced current.

From this , correct option is (c)

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