Multiple Choice
A small object carries a charge of 10.0 μC.If the object is so small that it can be regarded as a point charge,what is the energy density at a distance of 2.0 m from the charge? (The value of k is 9.0 109 N·m2/C2. )
A) 2.2 mJ/m3
B) 4.5 mJ/m3
C) 9.0 mJ/m3
D) 18 mJ/m3
Correct Answer:

Verified
Correct Answer:
Verified
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