Question
Where is the force of attraction strongest on a magnet?(1 point)
Responses
In the middle of the magnet.
In the middle of the magnet.
At the poles of the magnet.
At the poles of the magnet.
Above the magnet.
Above the magnet.
Below the magnet.
Using Coulomb's Law, if the distance between two charged objects is decreased, what happens to the electric force between them?
(1 point)
Responses
Electric force will increase
Electric force will increase
Electric force will decrease
Electric force will decrease
Electric force is not affected by distance
Electric force is not affected by distance
Not enough information
Which of the following will decrease the electrical force between two charges? (Select all that apply)(2 points)
Responses
Decreasing the distance between charges
Decreasing the distance between charges
Increasing the distance between charges
Increasing the distance between charges
Increasing the size of the charges
Increasing the size of the charges
Decreasing the size of the charges
A student places a skillet on a stove. After heating for 10 minutes, the student removes the skillet from stove. Which describes the kinetic energy of the molecules in the skillet during the investigation?(1 point)
Responses
The kinetic energy decreases and then increases
The kinetic energy decreases and then increases
The kinetic energy increase then decreases.
The kinetic energy increase then decreases.
The kinetic energy remains the same.
The kinetic energy remains the same.
The kinetic energy constantly increases.
What materials will allow electricity to flow through them?(1 point)
Responses
Insulators
Insulators
Vacuums
Vacuums
Conductors
Conductors
Pendulums
A student holds an ice cube in her hand. Which of the following BEST describes the movement of heat that will happen?(1 point)
Responses
Cold will flow from the ice cube to her hand via convection
Cold will flow from the ice cube to her hand via convection
Heat will flow from her hand to the ice cube via radiation.
Heat will flow from her hand to the ice cube via radiation.
Cold will flow from the ice cube to her hand via conduction.
Cold will flow from the ice cube to her hand via conduction.
Heat will flow from her hand to the ice cube via conduction.
Joaquin has a house with solar panels. These solar panels power all of the appliances in his house.
If Joaquin is using his electric oven to bake cookies for his family, what energy transformations occur that will enable him to bake those cookies?
(1 point)
Responses
heat energy → light energy → heat energy
heat energy → light energy → heat energy
heat energy → chemical energy → light energy
heat energy → chemical energy → light energy
light energy → electrical energy → heat energy
light energy → electrical energy → heat energy
light energy → electrical energy → chemical energy
Which of the following would be an example of an insulator?(1 point)
Responses
Copper wire
Copper wire
A Styrofoam cooler
A Styrofoam cooler
A cooking pan
A cooking pan
A tin can
An electric appliance draws 3 amperes of current when it is connected to a 24-volt source. What is the resistance of this appliance?
(1 point)
Responses
36 Ohms
36 Ohms
16 Ohms
16 Ohms
8 Ohms
8 Ohms
4 Ohms
The diagram below shows a simple electrical circuit.
Which of the following would always increase the flow of current through the lights in the circuit shown above?
(1 point)
Responses
Decreasing the battery voltage and decreasing the resistance of the lights.
Decreasing the battery voltage and decreasing the resistance of the lights.
Increasing the battery voltage and increasing the resistance of the lights.
Increasing the battery voltage and increasing the resistance of the lights.
Decreasing the battery voltage and increasing the resistance of the lights.
Decreasing the battery voltage and increasing the resistance of the lights.
Increasing the battery voltage and decreasing the resistance of the lights.
What happens to the current flowing through a circuit as resistance increases?
(1 point)
Responses
It increases
It increases
It decreases
It decreases
It stays the same
It stays the same
It reverses direction
It reverses direction
Responses
In the middle of the magnet.
In the middle of the magnet.
At the poles of the magnet.
At the poles of the magnet.
Above the magnet.
Above the magnet.
Below the magnet.
Using Coulomb's Law, if the distance between two charged objects is decreased, what happens to the electric force between them?
(1 point)
Responses
Electric force will increase
Electric force will increase
Electric force will decrease
Electric force will decrease
Electric force is not affected by distance
Electric force is not affected by distance
Not enough information
Which of the following will decrease the electrical force between two charges? (Select all that apply)(2 points)
Responses
Decreasing the distance between charges
Decreasing the distance between charges
Increasing the distance between charges
Increasing the distance between charges
Increasing the size of the charges
Increasing the size of the charges
Decreasing the size of the charges
A student places a skillet on a stove. After heating for 10 minutes, the student removes the skillet from stove. Which describes the kinetic energy of the molecules in the skillet during the investigation?(1 point)
Responses
The kinetic energy decreases and then increases
The kinetic energy decreases and then increases
The kinetic energy increase then decreases.
The kinetic energy increase then decreases.
The kinetic energy remains the same.
The kinetic energy remains the same.
The kinetic energy constantly increases.
What materials will allow electricity to flow through them?(1 point)
Responses
Insulators
Insulators
Vacuums
Vacuums
Conductors
Conductors
Pendulums
A student holds an ice cube in her hand. Which of the following BEST describes the movement of heat that will happen?(1 point)
Responses
Cold will flow from the ice cube to her hand via convection
Cold will flow from the ice cube to her hand via convection
Heat will flow from her hand to the ice cube via radiation.
Heat will flow from her hand to the ice cube via radiation.
Cold will flow from the ice cube to her hand via conduction.
Cold will flow from the ice cube to her hand via conduction.
Heat will flow from her hand to the ice cube via conduction.
Joaquin has a house with solar panels. These solar panels power all of the appliances in his house.
If Joaquin is using his electric oven to bake cookies for his family, what energy transformations occur that will enable him to bake those cookies?
(1 point)
Responses
heat energy → light energy → heat energy
heat energy → light energy → heat energy
heat energy → chemical energy → light energy
heat energy → chemical energy → light energy
light energy → electrical energy → heat energy
light energy → electrical energy → heat energy
light energy → electrical energy → chemical energy
Which of the following would be an example of an insulator?(1 point)
Responses
Copper wire
Copper wire
A Styrofoam cooler
A Styrofoam cooler
A cooking pan
A cooking pan
A tin can
An electric appliance draws 3 amperes of current when it is connected to a 24-volt source. What is the resistance of this appliance?
(1 point)
Responses
36 Ohms
36 Ohms
16 Ohms
16 Ohms
8 Ohms
8 Ohms
4 Ohms
The diagram below shows a simple electrical circuit.
Which of the following would always increase the flow of current through the lights in the circuit shown above?
(1 point)
Responses
Decreasing the battery voltage and decreasing the resistance of the lights.
Decreasing the battery voltage and decreasing the resistance of the lights.
Increasing the battery voltage and increasing the resistance of the lights.
Increasing the battery voltage and increasing the resistance of the lights.
Decreasing the battery voltage and increasing the resistance of the lights.
Decreasing the battery voltage and increasing the resistance of the lights.
Increasing the battery voltage and decreasing the resistance of the lights.
What happens to the current flowing through a circuit as resistance increases?
(1 point)
Responses
It increases
It increases
It decreases
It decreases
It stays the same
It stays the same
It reverses direction
It reverses direction
Answers
Answered by
GPT-4o mini
Here are the answers to your questions:
1. **Where is the force of attraction strongest on a magnet?**
**Response:** At the poles of the magnet.
2. **Using Coulomb's Law, if the distance between two charged objects is decreased, what happens to the electric force between them?**
**Response:** Electric force will increase.
3. **Which of the following will decrease the electrical force between two charges? (Select all that apply)**
**Responses:**
- Increasing the distance between charges
- Decreasing the size of the charges
4. **A student places a skillet on a stove. After heating for 10 minutes, the student removes the skillet from the stove. Which describes the kinetic energy of the molecules in the skillet during the investigation?**
**Response:** The kinetic energy constantly increases.
5. **What materials will allow electricity to flow through them?**
**Response:** Conductors.
6. **A student holds an ice cube in her hand. Which of the following BEST describes the movement of heat that will happen?**
**Response:** Heat will flow from her hand to the ice cube via conduction.
7. **If Joaquin is using his electric oven to bake cookies for his family, what energy transformations occur that will enable him to bake those cookies?**
**Response:** light energy → electrical energy → heat energy.
8. **Which of the following would be an example of an insulator?**
**Response:** A Styrofoam cooler.
9. **An electric appliance draws 3 amperes of current when it is connected to a 24-volt source. What is the resistance of this appliance?**
**Response:** 8 Ohms (using Ohm's Law: V = I x R, thus R = V/I = 24V/3A = 8 Ohms).
10. **Which of the following would always increase the flow of current through the lights in the circuit shown above?**
**Response:** Increasing the battery voltage and decreasing the resistance of the lights.
11. **What happens to the current flowing through a circuit as resistance increases?**
**Response:** It decreases.
Feel free to ask if you have any further questions!
1. **Where is the force of attraction strongest on a magnet?**
**Response:** At the poles of the magnet.
2. **Using Coulomb's Law, if the distance between two charged objects is decreased, what happens to the electric force between them?**
**Response:** Electric force will increase.
3. **Which of the following will decrease the electrical force between two charges? (Select all that apply)**
**Responses:**
- Increasing the distance between charges
- Decreasing the size of the charges
4. **A student places a skillet on a stove. After heating for 10 minutes, the student removes the skillet from the stove. Which describes the kinetic energy of the molecules in the skillet during the investigation?**
**Response:** The kinetic energy constantly increases.
5. **What materials will allow electricity to flow through them?**
**Response:** Conductors.
6. **A student holds an ice cube in her hand. Which of the following BEST describes the movement of heat that will happen?**
**Response:** Heat will flow from her hand to the ice cube via conduction.
7. **If Joaquin is using his electric oven to bake cookies for his family, what energy transformations occur that will enable him to bake those cookies?**
**Response:** light energy → electrical energy → heat energy.
8. **Which of the following would be an example of an insulator?**
**Response:** A Styrofoam cooler.
9. **An electric appliance draws 3 amperes of current when it is connected to a 24-volt source. What is the resistance of this appliance?**
**Response:** 8 Ohms (using Ohm's Law: V = I x R, thus R = V/I = 24V/3A = 8 Ohms).
10. **Which of the following would always increase the flow of current through the lights in the circuit shown above?**
**Response:** Increasing the battery voltage and decreasing the resistance of the lights.
11. **What happens to the current flowing through a circuit as resistance increases?**
**Response:** It decreases.
Feel free to ask if you have any further questions!
There are no human answers yet. A form for humans to post answers is coming very soon!