CASE we cannot be sure about the ABSENCE of the magnetic field because if the electron MOVING parallel to the direction of magnetic field, the angle between velocity and applied magnetic field is zero (F = 0). Then also electron passes without DEFLECTION. Also \[F=evB\sin \THETA \] Þ F µ B .

"> CASE we cannot be sure about the ABSENCE of the magnetic field because if the electron MOVING parallel to the direction of magnetic field, the angle between velocity and applied magnetic field is zero (F = 0). Then also electron passes without DEFLECTION. Also \[F=evB\sin \THETA \] Þ F µ B .

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Assertion :       If an electron is not deflected while passing through a certain region of space, then only possibility is that there is no magnetic region. Reason      :   Force is directly proportional to the magnetic field applied.

Joint Entrance Exam - Main (JEE Main) Physics in Joint Entrance Exam - Main (JEE Main) 1 year ago

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In this CASE we cannot be sure about the ABSENCE of the magnetic field because if the electron MOVING parallel to the direction of magnetic field, the angle between velocity and applied magnetic field is zero (F = 0). Then also electron passes without DEFLECTION. Also \[F=evB\sin \THETA \] Þ F µ B .

Posted on 27 Aug 2024, this text provides information on Joint Entrance Exam - Main (JEE Main) related to Physics in Joint Entrance Exam - Main (JEE Main). Please note that while accuracy is prioritized, the data presented might not be entirely correct or up-to-date. This information is offered for general knowledge and informational purposes only, and should not be considered as a substitute for professional advice.

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