1. Chapter 20 Reading Quiz
Dr. Harold Williams

2. Reading Quiz
A negatively charged rod is brought near a neutral metal sphere. Which of the following is true?
There is an attractive force between the rod and sphere.
There is a repulsive force between the rod and sphere.
There is no electric force between the rod and sphere.
Answer: A
Slide 20-6

3. Answer
A negatively charged rod is brought near a neutral metal sphere. Which of the following is true?
There is an attractive force between the rod and sphere.
There is a repulsive force between the rod and sphere.
There is no electric force between the rod and sphere.
Answer: A
Slide 20-7

4. Reading Quiz The field inside a charged parallel-plate capacitor is
zero.
uniform.
parallel to the plates.
Answer: B
Slide 20-8

5. Answer The field inside a charged parallel-plate capacitor is zero.
uniform.
parallel to the plates.
Answer: B
Slide 20-9

6. Reading Quiz The electric field inside a metallic conductor is
positive.
negative.
zero.
Answer: C
Slide 20-10

7. Answer The electric field inside a metallic conductor is positive.
negative.
zero.
Answer: C
Slide 20-11