A Charged Oil Drop with a Mass of 2 *10^-4

question 31

Multiple Choice

A charged oil drop with a mass of 2 *10^-4 kg is held suspended by a downward electric field of 300 N/C.The charge on the drop is:

• A)+1.5 * 10⁶ C
• B)-1.5 * 10⁶ C
• C)+6.5 *10^-6 C
• D)-6.5 * 10^-6 C
• E)0 C

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