A conducting rod of resistance R= 2.0 N is free to slide without friction on parallel con- ducting rails separated by a distance h = 0.45 m. A magnetic field B perpendicular to the rails and into the page. At one end the two rails are attached to an external voltage source with emf E The initial velocity of the rod at t = 0 is vo = 25 m/s to the right. (a) Calculate the current I in the rod at t=0. Specify whether the current flows "up" or "down" in the rod. 0.200 T is oriented Vo h B 12 V.

icon
Related questions
Question
100%

For a, the answer gives that the induced emf is up, and the current is down. Why specifically is the induced emf up? and why is the current down? Thanks!

(notice: this is not a graded question, it's a practice problem that comes with an answer which I don't quite understand)

A conducting rod of resistance R= 2.0 N
is free to slide without friction on parallel con-
ducting rails separated by a distance h = 0.45
m. A magnetic field B = 0.200 T is oriented
perpendicular to the rails and into the page.
At one end the two rails are attached to an
h
В
external voltage source with emf E
The initial velocity of the rod at t
(a) Calculate the current I in the rod at t = 0. Specify whether the current flows "up"
or "down" in the rod.
12 V.
: 0 is vo = 25 m/s to the right.
Transcribed Image Text:A conducting rod of resistance R= 2.0 N is free to slide without friction on parallel con- ducting rails separated by a distance h = 0.45 m. A magnetic field B = 0.200 T is oriented perpendicular to the rails and into the page. At one end the two rails are attached to an h В external voltage source with emf E The initial velocity of the rod at t (a) Calculate the current I in the rod at t = 0. Specify whether the current flows "up" or "down" in the rod. 12 V. : 0 is vo = 25 m/s to the right.
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps with 2 images

Blurred answer
Similar questions