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6 Oct 2020
An N-turn circular wire coil of radius r lies in the xy-plane (the plane of the page). A uniform magnetic field is turned on, increasing steadily from 0 to B0 in the positive
z-direction in t seconds.
(a) Find a symbolic expression for the emf, ε, induced in the coil in terms of the variables given.
(b) looking down on at the xy-plane from the positive z-axis, is the direction of the induced current clockwise or counterclockwise?
(c) If each loop has resistance R, find an expression for the magnitude of the induced current, I.
An N-turn circular wire coil of radius r lies in the xy-plane (the plane of the page). A uniform magnetic field is turned on, increasing steadily from 0 to B0 in the positive
z-direction in t seconds.
(a) Find a symbolic expression for the emf, ε, induced in the coil in terms of the variables given.
(b) looking down on at the xy-plane from the positive z-axis, is the direction of the induced current clockwise or counterclockwise?
(c) If each loop has resistance R, find an expression for the magnitude of the induced current, I.
B. Haranadh KumarLv10
28 Nov 2020
