The figure below shows a ring whose plane is perpendicular to your screen (the dashed parts are behind the screen and the solid parts are in front of the screen). A bar magnet is moved away from the ring in the direction show with vM . Choose the correct direction for external flux through the ring (\PhiΦ), the change in external flux through the ring (\Delta\PhiΔΦ) and the direction of the induced magnetic field (B_{ind}Bind) caused by the current induced in the ring. a.Φ: right \Delta\PhiΔΦ: increasing (or pointing right) B_{ind}Bind: right B.\PhiΦ: right \Delta\PhiΔΦ: increasing (or pointing right) B_{ind}Bind: left C.\PhiΦ: right \Delta\PhiΔΦ: decreasing (or pointing left) B_{ind}Bind: right D.\PhiΦ: left \Delta\PhiΔΦ: decreasing (or pointing right) B_{ind}Bind: right E.\PhiΦ: left \Delta\PhiΔΦ: decreasing (or pointing right) B_{ind}Bind: left F\PhiΦ: right \Delta\PhiΔΦ: decreasing (or pointing left) B_{ind}Bind: left
The figure below shows a ring whose plane is perpendicular to your screen (the dashed parts are behind the screen and the solid parts are in front of the screen). A bar magnet is moved away from the ring in the direction show with vM .
Choose the correct direction for external flux through the ring (\PhiΦ), the change in external flux through the ring (\Delta\PhiΔΦ) and the direction of the induced magnetic field (B_{ind}Bind) caused by the current induced in the ring.
a.Φ: right
\Delta\PhiΔΦ: increasing (or pointing right)
B_{ind}Bind: right
B.\PhiΦ: right
\Delta\PhiΔΦ: increasing (or pointing right)
B_{ind}Bind: left
C.\PhiΦ: right
\Delta\PhiΔΦ: decreasing (or pointing left)
B_{ind}Bind: right
D.\PhiΦ: left
\Delta\PhiΔΦ: decreasing (or pointing right)
B_{ind}Bind: right
E.\PhiΦ: left
\Delta\PhiΔΦ: decreasing (or pointing right)
B_{ind}Bind: left
F\PhiΦ: right
\Delta\PhiΔΦ: decreasing (or pointing left)
B_{ind}Bind: left
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