jee_main_2024_29_january_evening - Moving Charges and Magnetism Topics

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QUESTION #39 Motion of Charged Particle in Magnetic Field
Two particles X and Y having equal charges are being accelerated through the same potential difference. Thereafter they enter normally in a region of uniform magnetic field and describes circular paths of radii R₁ and R₂ respectively. The mass ratio of X and Y is:
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QUESTION #54 Magnetic Force on a Charge
A charge of 4.0 is moving with a velocity of 4.0 × 10⁶ ms⁻¹ along the positive y-axis under a magnetic field B of strength (2 k) T. The force acting on the charge is x i N. The value of x is ________.
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JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%) | JEE Physics: Waves (+15.5%) | Electrostatics: Concentric Shells (-29.7%) | Modern Physics: Photoelectric Clones (+34.2%) | Mathematics: Definite Integrals (+18.1%) | Chemistry: Coordination Splitting (-11.4%)

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