1
1 mark
1 markWhich of the following graphs shows how the electric field strength E varies with distance r from a positive point charge?
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Electric Fields (Edexcel International A Level Physics)
Exam Questions
41 mins8 questions21 mark
1 markThe electric potential V varies with the distance r from a charged object as shown.
At which distance, A, B, C or D, does the electric field strength have its maximum value?
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31 mark
1 markThe diagram shows two metal plates with a potential difference V across them.
The path of an electron travelling between the plates is shown.
The electron is deviated through an angle θ.
Which row of the table shows changes that will cause θ to decrease?
V | Distance between plates | |
|---|---|---|
A | doubled | halved |
B | doubled | unchanged |
C | halved | doubled |
D | unchanged | halved |
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