Exam-style question
Try this first
Which of the following statements is true regarding electric fields?.
- A.Electric fields only exist around charged objects
- B.Electric fields can exist in a vacuum
- C.Electric fields are always uniform
- D.Electric fields do not exert forces
Model answer
What a good answer should say
- Electric fields can exist in a vacuum
Explanation
Why this works
Electric fields can exist in a vacuum, allowing charged particles to experience forces even when no medium is present, which is a fundamental aspect of electric field theory.
Common mistake
No common mistake is linked to this question yet.