A balloon is rubbed back and forth across a person’s hair. Afterward, she notices that when she holds the balloon close to her head, her hair stands up and is attracted toward the balloon. The balloon and hair were neutral before coming in contact with one another. As she is rubbing the balloon back and forth across her hair, which explanation best describes what is occurring with the electrical charges?

The balloon gains a negative charge from the hair while the hair is left with positive charges.

The hair and balloon have no change in their electrical charges.

The balloon’s electrons are pulled to the outer surface of the balloon, and a charge is created.

he balloon rubs electrons off the hair and destroys the negative charges the hair once had, leaving only positive charges

Which bulb is the brightest in the figure?

Bulbs B and C are equally bright and are brighter than bulb A.

Electricity

Quiz

•

Physics

•

11th Grade

•

Practice Problem

•

Medium

•

NGSS

HS-PS2-4, HS-PS2-5, HS-PS3-5

Standards-aligned

Meenakshi Sharma

Used 135+ times

FREE Resource

Student preview

26 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Electricity that flows in a closed path is called a

path

current

circuit

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The flow of electricity in a circuit-

current

flow

circuit

____________ stops the flow of electricity.

A conductor

An insulator

A magnet

4.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

Two types of circuits are

parallel and magnetic

electromagnetic and series

series and parallel

5.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

The unit for current is the

Volt

Ohm

Electron

Amp

In a ________ circuit there are multiple paths for the current to take.

Series

Parallel

7.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

In a _________ circuit, if one bulb goes out then the entire circuit doesn't work.

Series

Parallel

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