5) Which of the following is equivalent to 1F of capacitance? 2 13 % a) Cs b) g M _C d C 2 Jbg"'"'_'i.m CD. s') )}"'s S 6) An electron enters a uniform electric field (with some initial velocity) between two parallel plates vertically separated with E = 400 N/C. As the electron moves through the filed, which of the following is true; a) Both Potential energy and Kinetic energy increase b) Both Potential energy and Kinetic energy decrease c) Potential energy decreases, Kinetic energy increases d) Potential energy increases, Kinetic energy decreases e) Both remain the same as the field does no work on the charge 7) A 1 g. cork sphere on a string is coated with Silver paint. It is in equilibrium, making a 10 degree angle in a uniform electric field of 100N/C as shown below. What is the charge on the sphere? a)1.73x10 b)-1.73x10 )3.1x10* d)-3.1x10* e) Situation is impossible, cork cannot be in equilibrium