Four straight conductors of equal length are placed separately in the same uniform…

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

Problem

Four straight conductors of equal length

0.20\,\text{m}

are placed separately in the same uniform magnetic field of

0.50\,\text{T}

. Their currents and angles with the field are: P:

4\,\text{A}

,

90^{\circ}

Q:

6\,\text{A}

,

30^{\circ}

R:

5\,\text{A}

,

60^{\circ}

S:

3\,\text{A}

,

90^{\circ}

Which conductor experiences the greatest magnetic force? (a) P (b) S (c) R (d) Q

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