3) When the rod is dragged to the right (sliding on the two metal rails), you find a tiny 1e-4 [A] current through the 25 [2] resistor. The magnetic field is 2 [T], into the page. How fast is the rod moving, in [m/s], at the moment shown? The metal rails are 10 [cm] apart on the left, and 15 [cm] across on the right. If you care (maybe you don't), the rod is at a 90° angle to the rails and that angle remains fixed as it slides along them. & Assuming whatever is moving the rod continues to move it at the same speed, what will happen to the current in the resistor when the rod starts sliding along the widely separated rails on the right? A qualitative answer is fine, but you can produce a number for this fairly easily as well.

3) When the rod is dragged to the right (sliding on the two metal rails), you find a tiny 1e-4 [A] current through the 25 [2] resistor. The magnetic field is 2 [T], into the page. How fast is the rod moving, in [m/s], at the moment shown? The metal rails are 10 [cm] apart on the left, and 15 [cm] across on the right. If you care (maybe you don't), the rod is at a 90° angle to the rails and that angle remains fixed as it slides along them. & Assuming whatever is moving the rod continues to move it at the same speed, what will happen to the current in the resistor when the rod starts sliding along the widely separated rails on the right? A qualitative answer is fine, but you can produce a number for this fairly easily as well.

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Concept explainers

Magnetic Field Of Coaxial Cable

The word coaxial means same axis. So for a long straight cable to be coaxial, it must have concentric cylindrical shaped conductor around it. Coaxial cable (popularly called ‘coax’) has various applications ranging from current conductors to radiofrequency signal transmitters. This cable has lower emission losses and provides protection from electromagnetic interference which allows signals with less power to transmit over longer distances.For example, currents produced in the pickup of a stereo turntable generally travel to the amplifier through a coaxial cable.The self-inductance of a coaxial cable is another important characteristic, because it influences the propagation of electrical signals in the cable.

Question

3) When the rod is dragged to the right (sliding on the two metal rails), you find a tiny 1e-4 [A]
current through the 25 [] resistor. The magnetic field is 2 [T], into the page. How fast is the
rod moving, in [m/s], at the moment shown? The metal rails are 10 [cm] apart on the left,
and 15 [cm] across on the right. If you care (maybe you don't), the rod is at a 90° angle to
the rails and that angle remains fixed as it slides along them.
8
Ø
→v Ø
8
Ø
Assuming whatever is moving the rod continues
to move it at the same speed, what will happen
to the current in the resistor when the rod
starts sliding along the widely separated rails on
the right? A qualitative answer is fine, but you
can produce a number for this fairly easily as
well.

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