Home Physics Magnetism and Matter JEE Main 2023 - ( Magnetic Effects of Current ) A charge particle moving in magnetic field B…
Physics Magnetism and Matter JEE Main 2023 - ( Magnetic Effects of Current ) MCQ (Single Correct)

A charge particle moving in magnetic field B, has the components of velocity along B as well as perpendicular to B. The path of the charge particle will be

A
helical path with the axis perpendicular to the direction of magnetic field B
B
helical path with the axis along magnetic field B
C
circular path
D
straight along the direction of magnetic field B

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Text Solution

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The correct answer is:
B

The formula to calculate the radius of the path followed by the charged particle under an external magnetic field can be written as

The perpendicular component of velocity results in circular motion, while the parallel component results in linear motion. Hence, the path of the charged particle is helical in nature, the axis of which lies along the direction of the magnetic field.

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