A Charged Particle of Mass 0 $4.0 - T$ Magnetic Field Which Acts at a Right Angle to Its

question 84

Multiple Choice

A charged particle of mass 0.0040 kg is subjected to a $4.0 - T$ magnetic field which acts at a right angle to its motion. If the particle moves in a circle of radius $0.10 \mathrm {~m}$ at a speed of $2.0 \mathrm {~m} / \mathrm { s } \text {, }$ what is the magnitude of the charge on the particle?

• A) 0.020 C
• B) 50 C
• C) 0.00040 C
• D) 2500 C

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