# Electric Energy Generation Utilization and Conservation Class 8 MCQ Electrical Engineering

30 Questions 20 Mins

This Electric Energy Generation Utilization and Conservation Class 8 MCQ test contains random 30 Objective Questions. You have select one correct answer among given options.

## Electric Energy Generation Utilization and Conservation Class 8 MCQ With Answers

### 1. What will happen to the potential energy of the magnets as the N and S get close?

• increase
• decrease
• stay the same
• there is none

### 2. What happens to the magnetic potential energy when the same poles are far apart?

• increases
• decreases
• stays the same
• All of above

### 3. If these two magnets with opposite poles are far apart, what happens to their potential energy?

• increases
• decreases
• stays the same
• None of these

### 4. What will happen to the magnetic potential energy of the magnets when the N and N get close?

• increases
• decreases
• stays the same
• None of these

### 5. Which of these magnet pairs has the MOST magnetic potential energy?

• the N/S at the top because they are close
• the S/S at the bottom because they are close
• they both have the same amount
• All of above

### 6. What is the electrical potential energy like when these same charges are far apart?

• high
• low
• the same as when they are close

### 7. Which is an example of a single energy transformation?

• A toaster converts electrical to thermal energy
• A match converts mechanical to thermal to electromagnetic
• A biker converts chemical to mechanical to thermal
• A car converts chemical to thermal to mechanical

### 8. According to the Law of Conservation of Energy, when one form of energy is transformed into another, __________ energy is lost in the process

• no
• some
• all
• None of these

### 9. What is an example of multiple energy transformations?

• Your body transforms chemical to thermal
• Your body transforms chemical to mechanical
• a flashlight converts chemical energy in batteries to electrical to electromagnetic energy in light
• a phone converts electrical to electromagnetic

### 10. What is the electrical potential energy like when these same charges are far apart?

• high
• low
• the same as when they are close

### 11. How are different forms of energy related?

• they can all be transformed into other forms of energy
• none of them can be transformed into other forms of energy
• they can be created
• they can be destroyed

• nuclear
• thermal
• electric
• chemical

### 13. What will happen to the potential energy of the magnets as the N and S get close?

• increase
• decrease
• stay the same
• there is none

### 14. A pendulum has the most kinetic energy when?

• at the top of its swing
• at the bottom of its swing

### 15. When these opposite charges get closer, what happens to their electrical potential energy?

• increases
• decreases
• stays the same
• All of above

### 16. Which of these magnet pairs has the MOST magnetic potential energy?

• the N/S at the top because they are close
• the S/S at the bottom because they are close
• they both have the same amount
• All of above

### 17. If you were to push these positive same charged particles together, do they have more or less electrical potential energy?

• more
• less
• the same as far apart

### 18. A change from one form of energy to another

• energy conservation
• energy transformation
• potential energy
• kinetic energy

• potential
• chemical
• thermal
• electric

### 20. These opposite charges are far apart. What happens to the electrical potential energy when opposite charges are far apart?

• increases
• decreases
• stays the same

### 21. If these two magnets with opposite poles are far apart, what happens to their potential energy?

• increases
• decreases
• stays the same
• None of these

• thermal
• electrical
• nuclear
• mechanical

### 23. What happens to the magnetic potential energy when the same poles are far apart?

• increases
• decreases
• stays the same
• All of above

### 24. What will happen to the magnetic potential energy of the magnets when the N and N get close?

• increases
• decreases
• stays the same
• None of these

### 25. If you were to push these positive same charged particles together, do they have more or less electrical potential energy?

• more
• less
• the same as far apart

### 26. When these opposite charges get closer, what happens to their electrical potential energy?

• increases
• decreases
• stays the same
• All of above

### 27. _________ CANNOT be created or destroyed

• energy
• transformation
• motion
• pendulums

### 28. These opposite charges are far apart. What happens to the electrical potential energy when opposite charges are far apart?

• increases
• decreases
• stays the same