CUET · PHYSICS · PYQ PAPER 2023
Which of the following statements are correct?
A. Electric field lines are always perpendicular to equipotential lines.
B. A zero electric field inside a conducting sphere does not mean that the potential gradient is also zero.
C. The resultant of two electric fields is determined by vector addition of the two field strengths.
D. If the field lines get closer together at any place, it means that the field strength is decreasing.
E. The resultant potential at a point is just the sum of the individual potentials.
Choose the correct answer from the options given below:
- A A, C and E only
- B A, B and D only
- C B, C and E only
- D A, C and D only
Answer & Solution
Correct Answer
(A) A, C and E only
Step-by-step Solution
Detailed explanation
A. Correct. B. Incorrect. (\(\vec{E} = -\nabla V\). If \(\vec{E} = 0\), then \(\nabla V = 0\)). C. Correct. D. Incorrect. (Field strength increases when lines get closer). E. Correct. Correct statements: A, C, E. Option: A, C and E only.
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