The function of a generator is to change ____________.

mechanical energy to electrical energy

chemical energy to electrical energy

electrical energy to chemical energy

electrical energy to mechanical energy

Which circuit below contains the greatest voltage?

A circuit with a current of 25 amps and a resistance of 16 ohms

A circuit with a current of 20 amps and a resistance of 16 ohms

A circuit with a current of 10 amps and a resistance of 10 ohms

A circuit with a current of 20 amps and a resistance of 10 ohms

The Law of Conservation of Charge states that _____________.

charge cannot be created and destroyed but it can be transferred.

charge can be created and destroyed but NOT transferred.

charge cannot be created and destroyed and it cannot be transferred.

Which of the following statements is true about the circuit to the right?

There is 1 battery, 2 switches, and 3 resistors.

There are 2 batteries, 2 switches, and 2 resistors.

There are 2 batteries, 2 switches, and 3 resistors.

There are 3 batteries and 3 resistors.

Storing and releasing electrical energy through chemical reactions

Producing light energy directly

Converting sound energy to electrical energy

Absorbing heat from the environment

Which of the following best describes a series circuit with two batteries, two resistors, a lamp, and a switch to turn the whole thing off?

A circuit where all components are connected end-to-end in a single path.

A circuit where each component is connected in parallel paths.

A circuit with only one battery and one resistor.

Which of the following diagrams best represents a parallel circuit with one battery, four lamps, switches to turn each lamp off, and a switch to turn off the entire circuit?

A diagram showing four lamps connected in parallel, each with its own switch, and a main switch controlling the battery connection.

A diagram showing four lamps connected in series with one switch for all lamps.

A diagram with four lamps in parallel but only one switch for all lamps.

A diagram with four lamps in series, each with its own switch.

Which of the following correctly lists two differences between series and parallel circuits and provides a real-world example of each?

Series circuits have one path for current and all components share the same current; example: string of old Christmas lights. Parallel circuits have multiple paths for current and each component gets the same voltage; example: household electrical wiring.

Series circuits have multiple paths for current and each component gets the same voltage; example: household electrical wiring. Parallel circuits have one path for current and all components share the same current; example: string of old Christmas lights.

Series circuits and parallel circuits both have multiple paths for current; example: both are used in car headlights.

Series circuits and parallel circuits both have one path for current; example: both are used in household wiring.

An electromagnet is a magnet created by electric current. Which two ways can increase its strength?

Increase the current and add more coils of wire

Decrease the current and use a thinner wire

Use a wooden core and reduce the number of coils

Decrease the voltage and use fewer coils

Ferromagnetism is a phenomenon where:

Electrons in atoms align their spins in the same direction, resulting in strong magnetic properties.

Electrons in atoms pair up and cancel each other's magnetic fields, resulting in no magnetism.

Electrons move randomly, causing weak and temporary magnetism.

Electrons are lost from the atom, creating a positive ion.

Which of the following describes an object that must have a net negative charge?

It contains more electrons than protons.

It contains more molecules than atoms.

It is carrying an electric current.

Why are electrical cords covered in plastic or rubber?

because plastic and rubber are insulators which keeps us safe

because plastic and wire help conduct electricity

because wires are color coded based on voltage

What is the purpose of a switch in an electric circuit?

to allow the circuit to be opened or closed

to change the direction of the current

to provide a push for the current

to increase the electric power to the load

The ability to reduce the flow of electrons

Electricity and Magnetism Final Exam

Quiz

•

Science

•

10th Grade

•

Practice Problem

•

Medium

•

NGSS

MS-PS2-3, MS-PS2-5, HS-PS3-5

+6

Standards-aligned

Jamilah Hickson

Used 2+ times

FREE Resource

61 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements about electric charge is true?

Objects must be touching one another to exert electrical force.

Electrical forces act at a distance.

Air cannot conduct electricity; it is conducted only by solid materials.

Opposite electric charges always repel one another.

Tags

NGSS.MS-PS2-3

NGSS.MS-PS2-5

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Mr. Robinson and his class are conducting an experiment. The class needs to choose a good insulator. Which of the following could be used as an insulator?

plastic plate

silver spoon

copper wire

gold necklace

Tags

NGSS.MS-PS3-3

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following will increase the resistance of a wire?

using a thicker/wider wire

using a shorter wire

increasing the temperature of the wire

using silver instead of copper

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the current produced by a 9-volt battery flowing through a resistance of 0.2 ohms?

1.8 amps

45 amps

0.022 amps

8.8 amps

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which two areas of physical science are closely related to the development of electric motors and generators?

A. sound and light

B. electricity and sound

C. light and magnetism

D. electricity and magnetism

Tags

NGSS.MS-PS2-3

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following will decrease the strength of the magnetic field around a wire?

increasing the current flowing through the wire

using less loops around the iron core

flipping the direction of the current flowing through the wire

using a larger iron core

Tags

NGSS.HS-PS2-5

NGSS.HS-PS3-5

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Silver has a resistance of 0.0198 ohms. What voltage would produce a current of 100 amps?

1.98 V

0.000198 V

5,050 V

100.0198 V

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Electricity and Magnetism Final Exam

61 questions

Which of the following statements about electric charge is true?

Mr. Robinson and his class are conducting an experiment. The class needs to choose a good insulator. Which of the following could be used as an insulator?

Which of the following will increase the resistance of a wire?

What is the current produced by a 9-volt battery flowing through a resistance of 0.2 ohms?

Which two areas of physical science are closely related to the development of electric motors and generators?

Which of the following will decrease the strength of the magnetic field around a wire?

Silver has a resistance of 0.0198 ohms. What voltage would produce a current of 100 amps?

This contains a piece of metal that melts if it gets too hot in order to open a circuit.

What does the symbol labeled #1 represent?

What does the symbol labeled #2 represent?

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