A Set of Charged Spheres Carries -1 $\mu$ GWhat Vertical Electric Field in the Laboratory Would Cause These

question 79

Multiple Choice

A set of charged spheres carries -1.5 mC and each has mass 15 $\mu$ g.What vertical electric field in the laboratory would cause these spheres to continue in a straight line if they were projected horizontally into the electric-field region?

• A) -98 \( \mu\)V/m
• B) 10 mV/m
• C) -10 mV/m
• D) 98 \( \mu\)V/m

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