Which of the following pairs of items will repel each other?
A- A positively-charged wool sock and a neutral plastic bag
B- A neutral cotton sweater and a negatively-charged plastic pellet
C-A negatively-charged balloon and a positively-charged piece of paper
D-A negatively-charged plastic strip and a negatively-charged piece of cloth
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Answer:
Letter D is the right answer
Explanation:
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