2. Do Now Rank A, B and C from largest to smallest magnitude of electric field
By the way, homework is due tomorrow

3. Which of the following diagrams is accurate for a positive charge?

4. Which of the following diagrams is accurate for a negative charge?

5. Which of the following diagrams is accurate for a positive charge?

6. Which of the following diagrams is accurate for a negative charge?

7. A "free" electron and "free" proton are placed in an identical electric field. Which of the following statements are true?
Each particle experiences the same electric force and the same acceleration
The electric force on the proton is greater in magnitude than the force on the electron but in the opposite direction.
The electric force on the proton is equal in magnitude to the force on the electron, but in the opposite direction.
Both particles experience the same acceleration.

8. A test charge of +3 µC is at a point P where the electric field due to other charges is directed to the right and has a magnitude of 4  106 N/C. If the test charge is replaced with a –3 µC charge, the electric field at P
has the same magnitude but changes direction
increases in magnitude and changes direction
remains the same
decreases in magnitude and changes direction

9. We know about electric field intensities
We know how to draw electric field lines
We know how to measure the intensity of the electric field

10. +

11. -

12. When we use force to move something, we do work-

13. Work done in moving a charge through a field is called potential difference-

14. There are two ways of writing the potential difference equation

15. If 500J of work are performed to move 25C of charge from a positive plate to a negative plate, what potential difference exists between the plates?

16. How much work is done to transfer 20C of charge through an electric potential difference of 12.0V?

17. The electric field intensity between two charged plates is 3 x 104 N/C
The electric field intensity between two charged plates is 3 x 104 N/C. The plates are 0.50m apart. What is the electric potential difference in volts between the plates?

18. A voltmeter indicates that the electric potential difference between two plates is 60.0V. The plates are 0.04m apart. What electric field intensity exists between them?

19. A 9-V battery does 1800J of work transferring charge
A 9-V battery does 1800J of work transferring charge. How much charge is transferred?

20. Pick any 4 to solve!!!
If 160J of work are performed to move 2C of charge from a positive plate to a negative plate, what potential difference exists between the plates?
How much work is done to transfer 0.14C of charge through an electric potential difference of 12.0V?
A 9-V battery does 2700J of work transferring charge. How much charge is transferred?
The electric field intensity between two charged plates is 4.5 x 103 N/C. The plates are 0.90m apart. What is the electric potential difference in volts between the plates?
A voltmeter indicates that the electric potential difference between two plates is 60.0V. The plates are 0.03m apart. What electric field intensity exists between them?