A Charged Particle Is Moving Horizontally Westward with a Velocity $\times$

question 19

Multiple Choice

A charged particle is moving horizontally westward with a velocity of 3.5 $\times$ 10⁶ m/s in a region where there is a magnetic field of magnitude 5.6 $\times$ 10^-5 T directed vertically downward.The particle experiences a force of 7.8 $\times$ 10^-16 N northward.What is the charge on the particle?

• A)+4.0 \(\times\) 10^-18 C
• B)-4.0 \(\times\) 10^-18 C
• C)+4.9 \(\times\) 10^-5 C
• D)-1.2 \(\times\) 10^-14 C
• E)+1.4 \(\times\) 10^-11 C

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