Question 4 A positive charge of 4 µC exerts an attractive force of 80 N on an unknown charge 30 mm away. The unknown charge is 02µC 8pC O 3 nC O 20 PC

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Question 4
A positive charge of 4 μC exerts an attractive force of 80 N on an unknown charge 30 mm away. The unknown charge is
02 μC
8pC
O 3 nC
O 20 pc
Transcribed Image Text:Question 4 A positive charge of 4 μC exerts an attractive force of 80 N on an unknown charge 30 mm away. The unknown charge is 02 μC 8pC O 3 nC O 20 pc
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