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2 cards from this section. Quick, good the night before a test.
What are the two types of electric charges?
Think about the types of charges you encounter every day.
What happens when two like charges come near each other?
Consider the interactions you've read about.
What type of charge is produced by rubbing a glass rod with silk?
Refer to the experiments discussed in the section.
True or False: Like charges attract each other.
Think about common interactions of charged objects.
A positively charged rod repels a light object with a charge of +2µC. If the rod has a charge of +8µC, calculate the forces at play if they are 10cm apart.
Use k ≈ 9 x 10^9 N m^2/C^2.
Two charged spheres A (+3µC) and B (-3µC) are placed 30cm apart. How will the force acting on them change when both are replaced by spheres of charge +5µC and -5µC?
Analyze how the additional charge affects the force.
5 more questions in this section. Enroll free to practise them all.
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