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 *10-6 C
B) -1.5 * 10-6 C
C) +6.5 * 10-6 C
D) -6.5 * 10-6 C
E) 0
Correct Answer:
Verified
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