Peoples Physics Concepts

(Marvins-Underground-K-12) #1

http://www.ck12.org Chapter 12. Electricity


a. Find the force on an electron located at a point midway between the plates
b. Find the voltage difference between the two plates
c. Find the change in electric potential energy of the electron when it travels from the back plate to the front
plate
d. Find the speed of the electron just before striking the front plate (the screen of your TV)

Answers

1..
2..
3. a. 7500V b. 1.5 m/s
4. a. 6. 4 × 10 −^17 N b. 1300V c. 2. 1 × 10 −^16 J d. 2. 2 × 107 m/s

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