A current of math xmlns=http://www.w3.org/1998/Math/MathML cla...

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A current of math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymn5/mn/math ampere is flowing in a wire of length \( 1.5 \) metres. A force of \( 7.5 \mathrm{~N} \) acts on it when it is placed in a uniform magnetic field of math xmlns=http://www.w3.org/1998/Math/MathML class=wrs_chemistrymn2/mn/math tesla. The angle between the magnetic field and the direction of the current is
(1) \( 30^{\circ} \)
(2) \( 45^{\circ} \)
(3) \( 60^{\circ} \)
(4) \( 90^{\circ} \)
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