Copy of Physics - Chapter 18 - Static Electricity

Copy of Physics - Chapter 18 - Static Electricity

84 Qs

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Copy of Physics - Chapter 18 - Static Electricity

Copy of Physics - Chapter 18 - Static Electricity

Assessment

Quiz

others

Hard

Created by

Moses Ntam

FREE Resource

84 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

There are very large numbers of charged particles in most objects. Why, then, don’t most objects exhibit static electric effects?
A. Most objects are neutral.
B. Most objects have positive charge only.
C. Most objects have negative charge only.
D. Most objects have excess protons.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Can an insulating material be used to charge a conductor? If so, how? If not, why not?
A. No, an insulator cannot charge a conductor by induction.
B. No, an insulating material cannot charge a conductor.
C. Yes, an uncharged insulator can charge a conductor by induction.
D. Yes, a charged insulator can charge a conductor upon contact.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or false—A liquid can be an insulating material.
A. true
B. false

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

If you dive into a pool of seawater through which an equal amount of positively and negatively charged particles is moving, will you receive an electric shock?
A. Yes, because negatively charged particles are moving.
B. No, because positively charged particles are moving.
C. Yes, because positively and negatively charged particles are moving.
D. No, because equal amounts of positively and negatively charged particles are moving.

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

True or false—The high-voltage wires that you see connected to tall metal-frame towers are held aloft by insulating connectors, and these wires are wrapped in an insulating material.
A. true
B. false

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

By considering the molecules of an insulator, explain how an insulator can be overall neutral but carry a surface charge when polarized.
A. Inside the insulator, the oppositely charged ends of the molecules cancel each other.
B. Inside the insulator, the oppositely charged ends of the molecules do not cancel each other.
C. The electron distribution in all the molecules shifts in every possible direction, leaving an excess of positive charge on the opposite end of each molecule.
D. The electron distribution in all the molecules shifts in a given direction, leaving an excess of negative charge on the opposite end of each molecule.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A dust particle acquires a charge of −13 nC. How many excess electrons does it carry?
A. 20.8 × 10^−28 electrons
B. 20.8 × ^−19 electrons
C. 8.1 × 10^10 electrons
D. 8.1 × 10^19 electrons

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