F5 Chapter 4.1 Part 1 ( current-carrying conductor in MF)

Which direction of the compass shown is correct?

• A

• B

• C

• D

Diagram below show two wires flowing outward. Which of the diagram A,B,C, and D is correct?

• A

• B

• C

• D

In which direction will the force produce?

• A

• B

• C

• D

Which of the following pairs below is correct?

• A. P=North, Q=South, R=North

• B. P=North, Q=North, R=South

• C.P=South, Q=South, R= North

• D. P=South, Q=North, R= South

Which of the diagram is correct?

• A

• B

• C

• D

6. Which of the following is correct if the switch is closed?

• A. two solenoid will be attracted

• B. two solenoid will be repel from each other

• C. two solenoid will be moving upward

• C. two solenoid will be moving downward

7. which of the following will cause the electric bell to sound louder when the switch is turn on?

• A. use longer contact screw
• B. reverse the polarity of the battery
• C. increase the number of turn in the coil
• D. replace the coil with larger diameter

8.

• A
• B
• C
• D

9. Which of the diagram below is not the application of electromagnetism?

• 
• 
• 
• 

10. Which of the below is not the factor that affected the strength of the electromagnetism of a solenoid?

• A. Type of the material used for the core
• B. Number of coil in the solenoid
• C. Size of the current
• D. Temperature of the core