Everything Science Grade 11

18.2 CHAPTER 18. ELECTROMAGNETISM

directionof current

direction of magnetic fie

ld

Figure 18.3: The Right Hand Rule.

Activity: The Right Hand Rule

Use the Right Hand Rule to draw in the directions of the magnetic fieldsfor the following

conductors with the currents flowing in the directions shown by the arrows. The first problem

has been completed foryou.

1.

⊗⊗⊗

���

2. 3. 4.

5. 6. 7. 8.

9. 10. 11. 12.

General experiment: Magnetic field arounda current carrying conductor

Apparatus:

1. one 9V battery withholder


2. two hookup wires with alligator clips


3. compass


4. stop watch

Method:

1. Connect your wires to the battery leaving one end of each wire unconnected so that the
   circuit is not closed.