A 16.0 V power supply is connected across two parallel plates which are separated by a distance of d = 6.6 cm . An electron is launched horizontally at a speed of 4.40x104 m/s exactly halfway between the plates (a distance of 3.3 cm from either plate). d +

2. The magnitude of the electric field at x= +20.0 cm from an infinitely charged plane, located on the y-z plane, is 1.7 x 10³ N/C i. A) What is the charge density on the plane? B) What is the electric potential at x = +20.mem? %3D

a.)  Calculate the speed of a proton that is accelerated from rest through an electric potential difference of 149 V. b.) Calculate the speed of an electron that is accelerated through the same potential difference.

2. Determine the magnitude and direction of the electric field at points 1 and 2 in the figure. Compare the magnitude of the electric field at point 3 to those at point 1 and point 2. Estimate the direction of the electric field at point 3. I cm OV 50 V 100 V 1 cm OV 50 V 100 V

52 A proton enters the uniform electric field produced by the two charged square plates shown below. The plates carry charges +Qand-Q, where the magnitude Q=1.6 µC. The speed of the proton when it enters the region between the plates is 5 x 107 m/s. 12.0 cm- Figure Description Hint a. What is the magnitude of electric field in the region? Assume that the plates are close enough together to be treated as "infinite" planes for electric field between them. N/C. b. What distance d has the proton been deflected downward when it leaves the region between the two plates? Assume that the electrostatic force is the only force on the charge. I # 3 E= d Question Help: Message instructor Submit Question 80 F3 E $ 4 800 F4 27 5° cm. 5 F5 R T 6 MacBook Air F6 Y & 7 > F7 U * CO 8 DII F8 - ( 9 F9 0 ) O F10

In old TVs, an electron gun accelerates electrons between two parallel plates 1.2cm apart using a 25kV potential difference. a. What is the electric field magnitude between the plates? b. If the electrons start at the negative plate at rest, with what speed will they hot the negative plate? (Note: this speed will be a significant fraction of the speed of light) 3.

1. x= 0 plane separates two dielectric regions with ɛ = 5€0 and ɛ2 = 3€0. Electric field for x <0 is given as Ē2 = 10ē – 20ē, – 50ē.. Find Ēj,Ď and D2. %3D

QUESTION 10 What is the electric-field strength between the identical, rectangular, conducting plates of a parallel-plate capacitor in which the charge on the plates is + 5.0 pC? Assume that each plate is 4.0 cm long and 3.0 cm wide. a. 390 N/C b. 150 N/C C. 230 N/C d. 310 N/C e. 470 N/C

9. The electron in the diagram is released from rest in a uniform electric field that is 1.55×10ʻN/C. The electron accelerates over the plate separation of 2 cm before it is fired through the hole in the right hand plate. With what speed does the electron exit the field?