3. A metal wire of mass m slides without frictionon two horizontal rails spaced a distance dapart, as shown.The track lies in a uniform external magneticfield Bo, pointing perpendicular to the plane ofthe rails. A constant current io flows from thegenerator G along one rail, across the wire,and back along the other rail.a) At any given time, what is the force exerted onthe sliding wire by the external magnetiefield? Give both the magnitude and direction.b) Find the velocity of the sliding wire as afunction of time, assuming it to be at rest attime t=0.perspedive viewO 0 0 O O Otop viewshowing B out of pageO 0 0 o oolo olo o olo

Here, magnetic field = Bo current = i0 a) let the force exerted on the sliding wire the force…

a) At any given time, what is the force exerted on the sliding wire by the external magnetic field? Give both the magnitude and direction. b) Find the velocity of the sliding wire as a function of time, assuming it to be at rest at time t=0.

a) At any given time, what is the force exerted on the sliding wire by the external magnetic field? Give both the magnitude and direction. b) Find the velocity of the sliding wire as a function of time, assuming it to be at rest at time t=0.

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. A metal wire of mass m slides without friction
on two horizontal rails spaced a distance d
apart, as shown.
The track lies in a uniform external magnetic
field Bo, pointing perpendicular to the plane of
the rails. A constant current io flows from the
generator G along one rail, across the wire,
and back along the other rail.
a) At any given time, what is the force exerted on
the sliding wire by the external magnetie
field? Give both the magnitude and direction.
b) Find the velocity of the sliding wire as a
function of time, assuming it to be at rest at
time t=0.
perspedive view
O 0 0 O O O
top view
showing B out of page
O 0 0 o o
olo o
lo o olo

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