A long straight nichrome wire of length lies completely within a region of uniform…

PHYSICS · Multi-part · AP · Physics 2: Algebra-based · Magnetism and Electromagnetism · Magnetism and Electromagnetism

Problem

A long straight nichrome wire of length 1.2 m1.2\,\text{m} lies completely within a region of uniform magnetic field of magnitude 230 gauss230\,\text{gauss}. The wire carries a current of 55 mA55\,\text{mA} and is oriented such that it makes an angle of 3π4 rad\dfrac{3\pi}{4}\,\text{rad} with the magnetic field direction. (a) Write each of the given quantities in proper SI units. (b) Compute the magnitude of the magnetic force on the wire and express the answer correct to two significant figures.

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