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

using less loops around the iron core

increasing the current flowing through the wire

flipping the direction of the current flowing through the wire

The function of a generator is to change ___________.

chemical energy to electrical energy

mechanical 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 20 amps and a resistance of 16 ohms

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 10 ohms

A circuit with a current of 10 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 are 2 batteries, 2 switches, and 2 resistors.

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

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

There are 3 batteries and 3 resistors.

26. Alexandra was preparing to go on a hike in the woods. She gathered the equipment she would need and placed it on the kitchen counter. By chance, she placed her compass near an electrical outlet. Although the compass was not moving, the compass needle turned because ____________.

the electric current in the outlet produced a magnetic field

the compass could only be used outdoors

the kitchen counter was made of a magnetic substance

the kitchen had a microwave oven

In a closed circuit containing one resistor and a battery, if the voltage in the battery increases, the current going through the resistor increases. Why does this occur?

C. As the electrons are pushed more by the battery, they move faster through the circuit.

A. As the electrons are sped up, they bunch closer together.

B. As the electrons have more energy, they vibrate more rapidly.

D. As the distance around the circuit increases, the electrons take longer to travel around.

Explain how lightning is created. Include which type of electric charge transfer it is.

Lightning is created by the transfer of both positive and negative charges.

Lightning is created by the transfer of positive charges.

Lightning is created by the transfer of negative charges.

Lightning is created by the transfer of neutral charges.

Which of the following are factors that affect resistance in a circuit?

Cross-sectional area of the conductor

Which components are needed to draw a series circuit with two batteries, two resistors, a lamp, and a switch to turn the whole thing off?

Two batteries, two resistors, a lamp, and a switch

One battery, one resistor, a lamp, and a switch

Two batteries, one resistor, a lamp, and a switch

One battery, two resistors, a lamp, and a switch

Which of the following are differences between series and parallel circuits, and what is a real-world example of each?

In a series circuit, components are connected end-to-end, while in a parallel circuit, components are connected across common points. A real-world example of a series circuit is a string of old Christmas lights, and a parallel circuit example is the wiring in a house.

In a series circuit, components are connected across common points, while in a parallel circuit, components are connected end-to-end. A real-world example of a series circuit is the wiring in a house, and a parallel circuit example is a string of old Christmas lights.

In a series circuit, the current is divided among components, while in a parallel circuit, the voltage is divided. A real-world example of a series circuit is a car battery, and a parallel circuit example is a flashlight.

In a series circuit, the voltage is divided among components, while in a parallel circuit, the current is divided. A real-world example of a series circuit is a flashlight, and a parallel circuit example is a car battery.

Find the total resistance and the current in the circuit below. (4 pts)

The question has a diagram associated with it. The diagram has been stored separately.

The total resistance is 10 ohms and the current is 2 amperes.

The total resistance is 5 ohms and the current is 1 ampere.

The total resistance is 15 ohms and the current is 3 amperes.

Find the total resistance and the voltage if the circuit has a current of 40 amps flowing through it. (4 pts)

Resistance: 10 ohms, Voltage: 400 volts

Resistance: 5 ohms, Voltage: 200 volts

Resistance: 8 ohms, Voltage: 320 volts

Resistance: 6 ohms, Voltage: 240 volts

Explain the two ways we discussed to keep a house from overheating.

Insulating the house and using shades

Using air conditioning and fans

Opening windows and using light colors

Installing solar panels and using heavy curtains

An electromagnet is a type of magnet in which the magnetic field is produced by an electric current. Which of the following are ways to increase its strength?

Increase the number of coils and increase the current.

Decrease the number of coils and decrease the current.

Use a smaller core and reduce the voltage.

Use a larger core and decrease the current.

Electricity and Magnetism Review Physical

11th Grade

•

44 Qs

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Electricity and Magnetism Review Physical

Quiz

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11th Grade

•

Practice Problem

•

Hard

•

NGSS

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

Standards-aligned

Robert Ott

Used 4+ times

FREE Resource

44 questions

Show all answers

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The force or push that causes electric charges to move is called _______.

resistance

voltage difference

current

static electricity

Electric charges always flow from areas to areas.

A. positive, negative

B. negative, positive

C. positive, neutral

D. neutral, negative

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A material through which electrons do NOT flow easily is a(n) _______.

insulator

fuse

conductor

circuit breaker

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Which of the following statements about electric charge is true?

A. Objects must be touching one another to exert electrical force.

B. Electrical forces act at a distance.

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

D. Opposite electric charges always repel one another.

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

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

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

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Electricity and Magnetism Review Physical

44 questions

The force or push that causes electric charges to move is called _______.

Electric charges always flow from areas to areas.

A material through which electrons do NOT flow easily is a(n) _______.

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?

What voltage would produce a current of 100 amps?

Create a free account and access millions of resources

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Electricity and Magnetism Review Physical

44 questions

The force or push that causes electric charges to move is called _______.

Electric charges always flow from __________ areas to __________ areas.

A material through which electrons do NOT flow easily is a(n) _______.

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?

What voltage would produce a current of 100 amps?

Create a free account and access millions of resources

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Electric charges always flow from areas to areas.