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Chapter 12 QUIZ

ELECTROMAGNETISM


1. Is the direction of flux correctly labeled for the electromagnets in the following drawing?

2. Which of these coils is the strongest?
         A has 22 turns and 5 amperes.
         B has 37 turns and 3 amperes.
         C has 17 turns and 9 amperes.
3. How can you increase a coil's strength without changing the construction?


Chapter 12 ANSWERS

ELECTROMAGNETISM


1. A: correct.  B: incorrect.  C: incorrect.  D: correct.
2. C is the strongest.
3. Increase the coil's current.

 

 

Return to Chapter 12

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