Faraday’s Law 4. We now repeat the experiment except now the left side is in the uniformmagnetic field but the right side is in zero field. What happens when theframe with the light bulb is dragged across this region?B (out)i.The light bulb will light up due to a CW current generated by the net CWnet motional EMF.Lii. The light bulb will light up due to a CCW current generated by the CCWnet motional EMF.iii. The light bulb will not light up since the magnetic force will generate aCCW EMF on the left side of the frame and a CW EMF on the right sideO wWof the frame. 3. Can we use the motional EMF to light a light bulb? We drag a rectangularconducting frame with a light bulb connected as shown. Which is true?The light bulb will light up due to a clockwise (CW) current generated bythe CW motional EMF.The light bulb will light up due to a counterclockwise (CCW) currentgenerated by the CCW motional EMF.LB (out)The light bulb will not light up since the magnetic force will generate aCCW EMF on the left side of the frame and a CW EMF on the right side.The light bulb will not light up since the magnetic force will generate aCW EMF on the left side of the frame and a CCW EMF on the right.WGㅇ

3. Motional EMF Due to the relative motion of magnetic field an emf is generated which is called…

We now repeat the experiment except now the left side is in the uniform magnetic field but the right side is in zero field. What happens when the frame with the light bulb is dragged across this region? 4. B (out) i. The light bulb will light up due to a CW current generated by the net CW net motional EMF. ii. The light bulb will light up due to a CCW current generated by the CCW net motional EMF. iii. The light bulb will not light up since the magnetic force will generate a CCW EMF on the left side of the frame and a CW EMF on the right side O W of the frame. O O Om O

We now repeat the experiment except now the left side is in the uniform magnetic field but the right side is in zero field. What happens when the frame with the light bulb is dragged across this region? 4. B (out) i. The light bulb will light up due to a CW current generated by the net CW net motional EMF. ii. The light bulb will light up due to a CCW current generated by the CCW net motional EMF. iii. The light bulb will not light up since the magnetic force will generate a CCW EMF on the left side of the frame and a CW EMF on the right side O W of the frame. O O Om O

Delmar's Standard Textbook Of Electricity

7th Edition

ISBN:9781337900348

Author:Stephen L. Herman

Publisher:Stephen L. Herman

Chapter29: Dc Generators

Section: Chapter Questions

Problem 5RQ: What are interpoles, and what is their purpose?

See similar textbooks

Faraday’s Law

4. We now repeat the experiment except now the left side is in the uniform
magnetic field but the right side is in zero field. What happens when the
frame with the light bulb is dragged across this region?
B (out)
i.
The light bulb will light up due to a CW current generated by the net CW
net motional EMF.
L
ii. The light bulb will light up due to a CCW current generated by the CCW
net motional EMF.
iii. The light bulb will not light up since the magnetic force will generate a
CCW EMF on the left side of the frame and a CW EMF on the right side
O w
W
of the frame.

3. Can we use the motional EMF to light a light bulb? We drag a rectangular
conducting frame with a light bulb connected as shown. Which is true?
The light bulb will light up due to a clockwise (CW) current generated by
the CW motional EMF.
The light bulb will light up due to a counterclockwise (CCW) current
generated by the CCW motional EMF.
L
B (out)
The light bulb will not light up since the magnetic force will generate a
CCW EMF on the left side of the frame and a CW EMF on the right side.
The light bulb will not light up since the magnetic force will generate a
CW EMF on the left side of the frame and a CCW EMF on the right.
WG
ㅇ

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