Question

The current in the long, straight wire AB shown in the figure is upward and is increasing steadily at a rate di/dt.

 The current in the long, straight wire AB shown in the figure is upward and is increasing steadily at a rate di/dt.

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 Part A

 At an instant when the current is i, what are the magnitude of the field B at a distance r to the right of the wire?


 Part B

 At an instant when the current is i, what are the direction of the field B at a distance r to the right of the wire?

 

 Part C

 What is the flux dΦB through the narrow shaded strip?


 Part D

 What is the total flux through the loop?


 Part E

 What is the induced emf in the loop?


 Part F

 Evaluate the numerical value of the induced emf if a = 12.0 cm, b = 36.0 cm, L = 24.0 cm, and di/dt = 9.60 A/s.

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