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JEE PHYSICS MCQ: MAGNETIC EFFECT OF CURRENT

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Force F⃗\vec{F} experienced by a charger qq moving with a velocity v⃗\vec{v} in an electric field of strength E→\overrightarrow{\mathrm{E}} and a magnetic field of strength B→\overrightarrow{\mathrm{B}} is:
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Correct option: A
F→=q[E→+(v→×B→)]\overrightarrow{\mathrm{F}}=\mathrm{q}[\overrightarrow{\mathrm{E}}+(\overrightarrow{\mathrm{v}} \times \overrightarrow{\mathrm{B}})]
Option A (F→=q[E→+(v→×B→)]\overrightarrow{\mathrm{F}}=\mathrm{q}[\overrightarrow{\mathrm{E}}+(\overrightarrow{\mathrm{v}} \times \overrightarrow{\mathrm{B}})]) is correct because it represents the Lorentz force, which is the sum of the electric and magnetic forces on a charge.

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