Question

1. What is the unit for electric potential in the International System

a. Volts

b. Farads

C. Joules

d. Coulombs

QUESTION 2

1. Suppose you have a drawing of equipotential lines. How to draw the electric field lines?

a. Perpendicular; towards high potential

b. Perpendicular; towards low potential

C. Parallel to all equipotential lines

d. Perpendicular; towards high energy lines

QUESTION 3

1. Two charges are separated by a distance d. If the distance between the charges is doubled (2d), determine how the electrical potential energy changes.

a. it's the double

b. is four times greater

C. is a quarter

d. it's half

QUESTION 4

1. A solid spherical conductor has charge + Q. Determine where to locate this charge on the sphere.

a. + Q in the center of the sphere

b. + Q evenly distributed across the dial

C. -Q at the center of the sphere and + 2Q at the surface of the sphere

d. + Q evenly distributed on the surface of the sphere

QUESTION 5

1. A parallel plate capacitor has an area of 100 cm ^ 2 and a distance between the plates of 1 cm. A dielectric material is inserted and its new capacitance is calculated to be 1.77 x 10 ^ -10 F. Determine the value of the dielectric constant.

a. two

b. 0.75

c. 2.25

d. 1.5

Answer 1

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