A conductor of length experiences a magnetic force of when it carries a current in a…

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

Problem

A conductor of length

0.4\,\text{m}

experiences a magnetic force of

2\,\text{N}

when it carries a current

I

in a uniform magnetic field of

0.8\,\text{T}

. The angle between the current direction and the field is

\dfrac{\pi}{6}

radians. Calculate the current

I

in the conductor. (a)

6.3\,\text{A}

(b)

25\,\text{A}

(c)

12.5\,\text{A}

(d)

7.2\,\text{A}

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