The figure at right shows the top view of a bar that can slide on two parallel rails without friction. A constant external force Fapp is applied to the bar causing it to slide to the right. A uniform magnetic field B is directed into the page. R (a.) If the applied force causes the bar to slide with a constant velocity v = 2 m/s, what is the direction and magnitude of the current through the resistor? Take B= 0.5 T l = 10 cm, and R = 20 2. Solve the problem algebraically first, then plug in numbers. (b.) | Find the magnitude and direction of the magnetic force on the rod due to this motion. (If you do not solve part (a), give an algebraic answer in terms of well-identified quantities for partial credit.)
The figure at right shows the top view of a bar that can slide on two parallel rails without friction. A constant external force Fapp is applied to the bar causing it to slide to the right. A uniform magnetic field B is directed into the page. R (a.) If the applied force causes the bar to slide with a constant velocity v = 2 m/s, what is the direction and magnitude of the current through the resistor? Take B= 0.5 T l = 10 cm, and R = 20 2. Solve the problem algebraically first, then plug in numbers. (b.) | Find the magnitude and direction of the magnetic force on the rod due to this motion. (If you do not solve part (a), give an algebraic answer in terms of well-identified quantities for partial credit.)
Chapter11: Magnetic Forces And Fields
Section: Chapter Questions
Problem 108CP: A wire ismade into a circular shape of radius R and pivoted along a central support.The two ends of...
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Question
Transcribed Image Text:The figure at right shows the top view of a
bar that can slide on two parallel rails without friction.
A constant external force Fapp is applied to the bar
causing it to slide to the right. A uniform magnetic field
B is directed into the page.
R
(a.)
If the applied force causes the bar to slide with a constant velocity v = 2 m/s, what is the
direction and magnitude of the current through the resistor? Take B= 0.5 T l = 10 cm, and R =
20 2. Solve the problem algebraically first, then plug in numbers.
(b.)
| Find the magnitude and direction of the magnetic force on the rod due to this motion. (If
you do not solve part (a), give an algebraic answer in terms of well-identified quantities for
partial credit.)
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