Electricity Basics Quiz

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What term describes a material in which electric charges cannot move easily?

Electric force

Electric conductor

Electric insulator (correct)

Electric field

Which term refers to the force that two electrically charged objects apply to each other?

Electric field

Neutral charge

Electric discharge

Electric force (correct)

What is the state of an object that has an unbalanced amount of positive or negative electrical charge?

Neutral

Electrically neutral

Electrically charged (correct)

Electric insulator

What occurs when there is a loss of an unbalanced electric charge?

Electric discharge Signup and view all the answers

What surrounds a charged object and applies electric force?

Electric field Signup and view all the answers

What charge do protons carry?

Positive charge Signup and view all the answers

What results in an electrically neutral object?

Equal numbers of protons and electrons Signup and view all the answers

What happens when electrons are transferred between objects?

One object gains a charge and the other loses it Signup and view all the answers

How many types of electric charges are there?

Two types: positive and negative Signup and view all the answers

What is typically true about most objects in terms of electrical charge?

They are normally electrically neutral Signup and view all the answers

What are the two types of charged particles found in an atom?

Protons and electrons Signup and view all the answers

Which particle does not carry an electric charge?

Neutron Signup and view all the answers

What happens when electric charges jump between two objects?

Static electricity is generated Signup and view all the answers

Which particles are located in the nucleus of an atom?

Protons and neutrons Signup and view all the answers

What role do electrons play in electricity?

They move and create electric currents due to their negative charge Signup and view all the answers

What happens when electrons transfer from a hairbrush to your hair?

The hair gains electrons from the brush. Signup and view all the answers

Which material is classified as an electric insulator?

Rubber Signup and view all the answers

In the context of electrical materials, what does an electric conductor do?

Allows electrons to move easily. Signup and view all the answers

When an inflated balloon is rubbed on a wool sweater, what is likely to happen?

Electrons move from the sweater to the balloon. Signup and view all the answers

What role do plastic and rubber play in electrical power cords?

They insulate the wire, preventing electron movement. Signup and view all the answers

What happens to an object that loses electrons?

It becomes positively charged. Signup and view all the answers

When does an object become electrically charged?

When electrons transfer between objects. Signup and view all the answers

What characterizes a negatively charged object?

It has more electrons than protons. Signup and view all the answers

Which of the following describes an electrically neutral atom?

It has equal amounts of positive and negative charge. Signup and view all the answers

What does an object that has gained electrons become?

Negatively charged. Signup and view all the answers

What happens to a metal can when a negatively charged balloon is brought near it?

The can is polarized with electrons moving to one end. Signup and view all the answers

What happens to two touching cans when a charged balloon is brought near them?

Electrons in both cans move, and they become individually charged. Signup and view all the answers

In the process of conduction between two conductors, what is the flow of electrons compared to?

Water flowing from a high level to a low level. Signup and view all the answers

What occurs after the cans are separated when polarized by a charged balloon?

One can retains a positive charge while the other becomes negative. Signup and view all the answers

What is true about the charges of two conducting objects after they touch and transfer electrons?

They reach an equal concentration of charge. Signup and view all the answers

What happens when a balloon is rubbed on a wool sweater?

Electrons move from the sweater to the balloon. Signup and view all the answers

What role do materials' abilities to hold electrons play in charge transfer?

The material with a stronger grip on electrons loses them. Signup and view all the answers

What is the outcome when induction occurs?

The charge distribution becomes uneven, causing polarization. Signup and view all the answers

Which statement is true about transferring charge by contact?

It can happen between both conductors and insulators. Signup and view all the answers

What occurs when a negatively charged balloon is brought near a metallic can?

Electrons in the can move away from the balloon, causing polarization. Signup and view all the answers

What happens to objects that are electrically charged over time?

They lose that charge due to electric discharge. Signup and view all the answers

What effect does water vapor in the air have on static electricity?

It reduces the speed of discharges. Signup and view all the answers

During the demonstration of rubbing balloons on a wool sweater, what happens to the balloons?

They become negatively charged. Signup and view all the answers

What phenomenon can be classified as a type of static electricity?

Static cling in clothes. Signup and view all the answers

What occurs when two similarly charged balloons are brought close to each other?

They repel each other. Signup and view all the answers

What occurs when two objects with the same type of charge are brought close together?

They push each other away. Signup and view all the answers

Which factor does not affect the strength of the electric force between two charged objects?

Temperature of the environment. Signup and view all the answers

What happens between a positively charged object and a negatively charged object?

They attract each other. Signup and view all the answers

What is created around any charged object that exerts an electric force on other charges?

Electric field. Signup and view all the answers

If a positively charged object is near another positively charged object, what will happen to the electric forces between them?

They will repel each other strongly. Signup and view all the answers

What is meant by an electric field?

A region surrounding a charged object that applies electric force to other charges. Signup and view all the answers

Why can charged objects exert forces on each other without touching?

There exists an electric field that applies force to other charged objects. Signup and view all the answers

What happens when two balloons with opposite charges are brought close together?

They repel each other, causing one to fly away. Signup and view all the answers

Which statement best describes how electric forces are applied?

Via an electric field that exists around charged objects. Signup and view all the answers

What is the term for the force that charged objects exert on one another?

Electric force Signup and view all the answers