The figure shows the magnetic flux through a coil as a function of time (Figure

Question

The figure shows the magnetic flux through a coil as a function of time (Figure 1) .

Part A

At what times shown in this plot do the magnetic flux have the greatest magnitude?

At what times shown in this plot do the magnetic flux have the greatest magnitude?

the magnetic flux has constant magnitude

Part B

At what times shown in this plot do the induced emf have the greatest magnitude?

At what times shown in this plot do the induced emf have the greatest magnitude?

at t= 0 s, 0.2 s, 0.4 s, and 0.6 s. at t= 0.1 s, 0.3 s, and 0.5 s.

the magnetic flux has constant magnitude

Part B

At what times shown in this plot do the induced emf have the greatest magnitude?

At what times shown in this plot do the induced emf have the greatest magnitude?

at t= 0 s, 0.2 s, 0.4 s, and 0.6 s. at t= 0.1 s, 0.3 s, and 0.5 s. the induced emf has constant magnitude

Explanation / Answer

PartA

From graph you can observe at t= 0 s, 0.2 s, 0.4 s, and 0.6 s the magnetic flux have the greatest magnitude(4 and -4)

PartB

Note that the magnitude of the induced emf is zero when the magnitude of the flux is a maximum and the magnitude of the induced emf is a maximum when the flux is zero.

So at t= 0.1 s, 0.3 s, and 0.5 s. Flux is zero and emf is maximum

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