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2 cards from this section. Quick, good the night before a test.
If you have charges of +5 C and +2 C, what is the total charge?
Add the charges since they are both positive.
What is the total charge when you combine -4 C and +3 C?
Subtract the smaller absolute charge from the larger one, then determine the sign.
What is meant by the additivity of charges?
Remember, combining charges leads to an arithmetic process.
True or False: Electric charges can both be negative and positive.
Think about natural charges like protons and electrons.
A system contains four charges: +4 C, -2 C, +1 C, -5 C. What is the overall charge?
Add positive and negative separately then combine.
If you have two systems with total charges of +3 C and -6 C, what happens if you connect them?
Keep track of the relative magnitudes and directions.
4 more questions in this section. Enroll free to practise them all.
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