Exam-style question
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How are electric field lines arranged around a positive point charge in a diagram?.
- A.They are straight and parallel.
- B.They radiate outward from the charge.
- C.They form closed loops.
- D.They are randomly oriented.
Model answer
What a good answer should say
- They radiate outward from the charge.
Explanation
Why this works
Electric field lines around a positive point charge radiate outward, indicating that the electric field is directed away from the charge. This shows that a positive charge experiences a repulsive force from other positive charges and an attractive force towards negative charges.
The implication is that this behavior is fundamental to understanding how electric fields interact with different types of charges. Therefore, this conclusion emphasizes the nature of electric fields in relation to point charges.
Common mistake
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