Magnetism and Charge Review

Exam Review:
Section 1: Electric charge (6 questions)
Section 2: Magnetism(5 questions)
Section 3: Electromagnetism (4 questions)
Section 4: Simple Circuits (5 questions)
Total of 20 questions

Section 1:Electric Charge

Identify whether 2 charges repel or attract

Section 1:Electric Charge

Identify charge movement in Conductor vs Insulator

Section 1:Electric Charge

Using Coulomb's law for Calculations:

Section 1:Electric Charge

Using Coulomb's law for Rule of 1 Calculations:

Section 1:Electric Charge

Factors that effect Electric Field Strength

Section 1:Electric Charge

Identify the 3 types of charge creation:
Friction Conduction Induction
Contact, Contact, Non-contact,
Between 2 insulators, Has at least 1 conductor, Has at least 1 conductor,
Results in 2 opposite charge Results in 2 similar charges Causes a temporary
opposite charge

Section 1 Review ?'s

Multiple Choice

Materials that tightly hold on to their electrons and do not allow them to flow are considered

• Good conductors

• Good insulators

• Good anti-static agents

• Useful for storing charge

Multiple Choice

What types of charges attract?

• Positive and Positive

• Positive and Neutral

• Negative and Neutral

• Positive and Negative

Multiple Choice

Based on the arrangement of the electric field lines in the diagram, what are the charges?

• both charges are the same

• the charges are opposite

• they are neutral; no charge

Drag and Drop

This increases the force​ ​

Placeholder

, and this decreases the force ​

Placeholder

Drag these tiles and drop them in the correct blank above

Pushing them together

Pulling them away from each other

Multiple Choice

This type of electrostatic charging allows electrons to transfer to a conducting material through contact

• Charge by Friction

• Charge by Conduction

• Charge by Induction

Multiple Choice

This type of electrostatic charging occurs WITHOUT contact, and it allows electrons to shift in response to a charged object that is simply placed nearby

• Charge by Friction

• Charge by Conduction

• Charge by Induction

Multiple Choice

What will definitely NOT cause the electrostatic force between 2 charges to increase?

• increasing the distance between 2 charges

• increasing the the first change and decreasing the second charge

• increasing just one charge

• decreasing the distance between 2 charges

Multiple Choice

If each of the charges doubles, what happens to the force?

• Quadruples
• Doubles
• Stays the same
• Reduced by half

Multiple Choice

A point charge (q1) has a magnitude of 3x10^-6 C. A second charge (q2) has a magnitude of -1.5x10^-6 C and is located 0.12 m from the first charge. Determine the electrostatic force each charge exerts on the other.

• -4.52 x 10^-3 N

• -83 N

• -2.81 N

• -9 x 10³ N

Section 2:Magnetism

Identify the cause of magnetism due to the similar alignment of electrons in a surface's domains.

Section 2:Magnetism

Identify the shape of a magnetic field.

Section 2:Magnetism

Magnets only attract specific kinds of metals

Section 2:Magnetism

Recognize the laws of magnetic attraction

Section 3:Magnetism

Recognize the laws of magnetic attraction

Section 2:Magnetism

Recognize that Earth has a geomagnetic field, due to its melted iron outercore & solid iron innercore

Section 2 Review ?'s

Multiple Choice

Every magnet has two different sides called...

• turkeys

• tops

• ends

• poles

Multiple Choice

Which type of magnet does not lose it's magnetic properties easily.

• a permanent magnet

• an electromagnet

• a temporary magnet

• a nail rubbed across the north pole of a magnet

Multiple Choice

A group of atoms that has all like poles pointing in the same direction are called

• magnetic forces

• magnetic fields

• magnetic domains

• magnetic poles

Multiple Choice

What will happen when these magnets are brought close together?

• They will attract each other.
• They will repel each other.
• Both magnets will turn to the left
• Both magnets will turn to the right

Multiple Choice

What do the lines around this magnet represent?

• North Pole
• South Pole
• Magnetic Declination
• Magnetic Field

Multiple Choice

The domains in this picture ARE NOT aligned, so that makes the object _______.

• Magnetic

• Not Magnetic

Multiple Choice

The domains in this picture ARE aligned, so that makes the object _______.

• Magnetic

• Not Magnetic

Multiple Choice

Magnets attract to __________________.

• iron
• nickel
• cobalt
• all of the above

Section 3: Electromagnetism

Recognize that an wire with an electrical current in it will generate a radial magnetic field around it

Section 3: Electromagnetism

Recognize that coiling the current carrying wire makes a normal magnetic field appear

Section 3: Electromagnetism

Recognize how to make an electromagnet and also increase the strength of an electromagnet

Section 3 Review ?'s

Multiple Choice

This type of magnet can be turned on and off.

• horseshoe magnet

• electromagnet

• fridge magnet

• any magnet

Multiple Choice

The components of an electromagnet are?

• a power source

• wire

• iron core

• all of these

Multiple Choice

How do you increase the strength of an electromagnet?

• add more magnets

• larger core

• increase the number of coils around the core

• salt water

Multiple Choice

What device is made of coils of wire with an electrical current passing through it in order to generate a magnetic field?  

• Electromagnet 

• Generator

• Electron Magnet 

• Magneto's Helmet

Explanation Slide...

True. When an electric current flows through a wire, it generates a magnetic field around it, as described by Ampère's circuital law. This phenomenon is fundamental to electromagnetism.

Multiple Choice

Electricity creates a magnetic field around a wire.

• True

• False

Section 4: Simple Circuits

Identify a series from
a parallel circuit

Section 4: Simple Circuits

Recognize the circuit diagram notation symbols

Section 4: Simple Circuits

Calculate total resistance and properties of resistance

Section 4: Simple Circuits

Calculate total resistance and properties of resistance

Section 4: Simple Circuits

Know how current and voltage behave in both types

Section 4 Review ?'s

Multiple Choice

What does a wire with an electrical current flowing through it start to produce?

• Gravitational Field

• Magnetic Field

• Radiant Field

• Optical Field

Multiple Choice

Which electromagnet is stronger?

• A

• B

Multiple Choice

What kind of circuit is this?

• series
• parallel

Multiple Choice

In a parallel circuit if one of the light bulbs burns out the rest _________.

• stop the flow of electricity
•  can still light up
•  will go out
• of the light bulbs burn out also

Multiple Choice

What kind of circuit is this?

• Series
• Consecutive
• Parallel
• Training

Multiple Choice

The total resistance of this circuit is 

• 25.7 ohms
• 315 ohms
• 324 ohms
• 90 ohms

Multiple Choice

A electrical conductor:

• allows the flow of electricity

• does not allow the flow of electricity

• drives an electrical train (choo choo!)

Multiple Choice

What is a Parallel circuit? 

• Has only one path 
• Has more than one path 
• Allows energy to travel through easily 
• Has only one light bulb

Multiple Choice

What is a current?

• A constant flow of electricity 
• A path that a current can flow along

Multiple Choice

What is the value of the equivalent resistance of this circuit?

• 85

• 85K

• 85M

• 0.85K