Electromagnets 4
| First | First | Last | Quiz Score Total | Question 4a | Image 4a | 4a) Why is the magnetic field in circuit B is twice as strong as circuit A? | 4b) Explain why the magnetic field in circuit C is twice as strong as circuit B and four times as strong as circuit A? | 4c) Why is the magnetic field in circuit D is the strongest of the four circuits? | 4d) A solenoid containing an iron core is called an electromagnet. Describe two advantages of electromagnets compared to permanent magnets? | Quiz Percentage Grade |
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| First | First | Last | Quiz Score Total | Question 4a | Image 4a | 4a) Why is the magnetic field in circuit B is twice as strong as circuit A? | 4b) Explain why the magnetic field in circuit C is twice as strong as circuit B and four times as strong as circuit A? | 4c) Why is the magnetic field in circuit D is the strongest of the four circuits? | 4d) A solenoid containing an iron core is called an electromagnet. Describe two advantages of electromagnets compared to permanent magnets? | Quiz Percentage Grade |