Equal Charges, One at Rest, the Other Having a Velocity

question 12

Multiple Choice

Equal charges, one at rest, the other having a velocity of 104 m/s, are released in a uniform magnetic field. Which charge has the largest force exerted on it by the magnetic field?

• A)The charge that is at rest.
• B)The charge that is moving, if its velocity is parallel to the magnetic field direction when it is released.
• C)The charge that is moving if its velocity makes an angle of 45o with the direction of the magnetic field when it is released.
• D)The charge that is moving if its velocity is perpendicular to the magnetic field direction when it is released.
• E)All the charges above experience equal forces when released in the same magnetic field.

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Definitions:

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A physical quantity that expresses hot and cold, measured with a thermometer and scientifically defined through thermodynamic principles.