In the figure below, the rod moves to the right with a speed of1.8m/s, and has a resistance of 2.2?. The rail separation is l = 25 cm. The magnetic field is0.33T, and the resistance of the U-shaped conductor is 26.0?at a given instant. O O O 0 0 O O lo Eoto to B (outward) (a) Calculate the induced emf. V O (b) Calculate the current flowing in the U-shaped conductor. A (c) Calculate the external force needed to keep the rod's velocity constant at that instant. N
In the figure below, the rod moves to the right with a speed of1.8m/s, and has a resistance of 2.2?. The rail separation is l = 25 cm. The magnetic field is0.33T, and the resistance of the U-shaped conductor is 26.0?at a given instant. O O O 0 0 O O lo Eoto to B (outward) (a) Calculate the induced emf. V O (b) Calculate the current flowing in the U-shaped conductor. A (c) Calculate the external force needed to keep the rod's velocity constant at that instant. N
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Transcribed Image Text:In the figure below, the rod moves to the right with a speed of1.8m/s, and has a resistance of 2.2?. The
rail separation is
l
= 25 cm. The magnetic field is0.33T, and the resistance of the U-shaped conductor is 26.0?at a given
instant.
CE
OO
O
O
O
O
O.
O
B (outward)
(a) Calculate the induced emf.
V
VA!
O
(b) Calculate the current flowing in the U-shaped conductor.
A
(c) Calculate the external force needed to keep the rod's velocity constant at that instant.
N
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