Unit 9 Electrostatics and Circuits. Chapter 15, Chapter 16, Chapter 17, and Chapter 18. Ch. 15: Electric Charge. Like charges repel; opposites attract Electric charge is conserved Electrons are transferred from one atom to another Gains electrons= - ion Loses electrons= + ion
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Unit 9 Electrostatics and Circuits
Chapter 15, Chapter 16, Chapter 17, and Chapter 18
atom to another
Electrostatic Equilibrium (no NET motion of charge)
A charge moves 2.0 cm in the direction of a uniform electric field of 215 N/C. As the charge moves, the potential energy decreases by 6.9 x 10-19 J. Find the charge on the moving particle. What is the potential difference?
PEelectric= ½ QV
PEelectric = ½ (CV)V= ½ CV2=1/2 (Q2/V)