Exam-style question
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How can you distinguish between electric and magnetic field lines in diagrams?.
- A.Electric field lines are straight, while magnetic lines are curved
- B.Magnetic field lines are straight, while electric lines are curved
- C.Both types of lines are always straight
- D.Both types of lines are always curved
Model answer
What a good answer should say
- Electric field lines are straight, while magnetic lines are curved
Explanation
Why this works
The evidence shows that electric field lines typically extend straight from positive to negative charges, while magnetic field lines form closed loops around magnets. This distinction implies that the nature of the fields affects the shape of their field lines, leading to the conclusion that recognizing these patterns helps in identifying the type of field represented.
Common mistake
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