Electrostatics Quiz

Most static electricity is produced by

(a)  

What does the "static" mean in static electricity?

(a)  

Oppositely charged objects (a)   each other.

An instrument used to detect the presence of a static charge is the (a)   .

A material through which electrons do not move easily is called a(n)

(a)  

What kinds of elements are the best conductors?

(a)  

lightning is ____________

• a very large discharge of static electricity

• a buildup of neutrons

• a low voltage electric current

• harmless

Three rods of different materials P, Q, and R, are charged by various methods. When the rods are brought near each other, the rods P and Q repel each other, while the rods P and R attract each other. Which of the following would be the signs of the charges on the rods?

• Rod P Rod Q Rod R

  negative positive negative

• Rod P Rod Q Rod R

  positive positive negative

• Rod P Rod Q Rod R

  negative negative positive

When two bodies are charged, the total charge before and after charging remains the same because of ___.

• quantization of charges

• law of induction

• Coulomb’s law

• Conservation of Charges

_____ force between charges is enormous in comparison to _____ force.

• Electrostatic, Gravitational

• Gravitational, Electrostatic

• Positive, Negative

• Negative, Positive