A Charged Metal Sphere Has a Mass of 15 µG

question 44

Multiple Choice

A charged metal sphere has a mass of 15 µg and a net charge of −1.5 mC. What vertical electric field would cause this sphere, if projected horizontally, to continue in a straight line?

• A) 98 µV/m downward
• B) 10 mV/m upward
• C) 10 mV/m downward
• D) 98 µV/m upward

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