End of Year Exam

Your Full Name

Class

• 8A1
• 8A2
• 8A3
• 8A4
• 8B1

Which statement best describes Direct Current (DC)?

• a) The current changes direction periodically
• b) The current flows in only one direction
• c) It is only used in homes
• d) It cannot be stored in batteries

Which of the following is an example of a Direct Current (DC) source?[

• a) Car battery
• b) Mains electricity
• c) Power station generator
• d) Wind turbine

Which of the following materials is a good insulator?

• a) Copper
• b) Silver
• c) Plastic
• d) Aluminum

Which material is a good conductor of electricity?[

• ) Rubber
• b) Glass
• c) Copper
• d) Wood

7. What is one major benefit of using robots in manufacturing?

• A) Robots get tired and need breaks
• B) Robots can work faster and more accurately than humans
• C) Robots always make mistakes
• D) Robots refuse to follow instructions

8. How can robots negatively impact human jobs?

• A) They create more job opportunities for everyone
• B) They reduce the need for human workers in some industries
• C) They always need humans to operate them
• D) They are too slow to replace workers

9. Which of the following is an advantage of using robots in dangerous environments?

• A) Robots can work in hazardous places without getting hurt
• B) Robots always need human supervision
• C) Robots are afraid of high temperatures
• D) Robots need to rest after a few hours

10. What is a disadvantage of relying too much on robots?

• A) They always think creatively
• B) They can break down and require maintenance
• C) They never need electricity
• D) They never follow instructions