A straight wire of length carries a current of at right angles to a uniform magnetic…

MATHEMATICS · Single correct · ISC · Mathematics · Physics · Magnetic Effects of Current and Magnetism

Problem

A straight wire of length

0.25\,\text{m}

carries a current of

8\,\text{A}

at right angles to a uniform magnetic field of

0.40\,\text{T}

. What is the magnitude of the force on the wire? (a)

1.60\,\text{N}

(b)

3.20\,\text{N}

(c)

0.80\,\text{N}

(d)

0.40\,\text{N}

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