A straight wire of length 77.5 cm carries a current of 50 A and makes an angle of 60° with a uniform magnetic field. If the force on the wire is 1.3 N what is the magnitude of B ( in units of mT)? Select one: А. 33.55 В. 38.74 C. 51.64 D. 64.54 E. 25.83

A straight wire of length 77.5 cm carries a current of 50 A and makes an angle of 60° with a uniform magnetic field. If the force on the wire is 1.3 N what is the magnitude of B ( in units of mT)? Select one: А. 33.55 В. 38.74 C. 51.64 D. 64.54 E. 25.83

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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Ferromagnetism

Ferromagnetism is a mechanism by which some materials show magnetic properties. Iron and magnetite, an oxide of iron, are two naturally occurring materials that show the property of ferromagnetism. The word ferromagnetism is derived from the Latin name of iron, "Ferrum" as it was the first observed material to show such property. The property of ferromagnetism is shown by only a few substances such as iron, nickel, cobalt, and their alloys. Some transition metals and alloys of rare-earth metals also show ferromagnetism.

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A straight wire of length 77.5 cm
carries a current of 50 A and makes
an angle of 60° with a uniform
magnetic field. If the force on the wire
is 1.3 N what is the magnitude of B (
in units of mT)?
Select one:
А. 33.55
В. 38.74
C. 51.64
D. 64.54
E. 25.83

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