6. Two charged spheres are 5.00 cm apart. One sphere has a charge of 2.50 x 10*c and the other sphere has a C. Assuming k5.00 x 10°N-m²/C², the electric force between the two spheres is d. 2.88 x 10¹ N 4.44 x 10-¹8 N e. a. b. 4.44 x 10-20 N c. 2.25 x 10¹⁹ N 7. Which of the following diagrams represents the field of force around a negative point charge? a. charge of 20 x 10 1.44 x 10¹ N b. a. -2FE b. -FE d. 8. An object with charge +q experiences an electric force F when put in a particular location in the electric field &. The positive charge +q is removed and an object with charge -4q is placed in the same location in the electric field. This charge would feel an electric force of d. -4FE e. -FE 4 2 c. -2FE e. 9. The law of electric charges states that opposite charges a. attract each other, similar charges attract neutral objects, and charged objects repel one another b. repel each other, similar charges attract neutral objects, and charged objects attract one another c. attract neutral objects, similar charges repel each other, and charged objects attract one another d. attract each other, similar charges repel one another, and charged objects attract some neutral objects e. attract neutral objects, similar charges attract each other, and charged objects repel one another 10. Solids in which electrons are able to move easily from one atom to another are a. conductors d. neutral b. electrically charged e. capacitors c. insulators

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Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.