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Electric Charges and Fields — NEET & JEE Physics MCQs

30 questions written by hand against the NCERT chapter. Every wrong option is explained, not just the right one.

30questions
10/14/6easy / medium / hard
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Sample questions from this chapter

How do two stationary point charges of the same sign interact?
  1. They repel each other ✓
  2. They attract each other
  3. They exert no force on each other
  4. They alternately attract and repel
Answer: A. Coulomb force is repulsive for like charges and attractive for unlike charges.
Why not B: Attraction occurs between charges of opposite signs.
Why not C: Each charge creates an electric field that acts on the other.
Why not D: The electrostatic force direction does not oscillate for stationary charges.
Two point charges +2.00 μC and +3.00 μC are 0.300 m apart in vacuum. Using k=9.00×10⁹ N m² C⁻², what is the force magnitude?
  1. 0.200 N
  2. 1.80 N
  3. 0.600 N ✓
  4. 6.00 N
Answer: C. F=kq₁q₂/r²=(9.00×10⁹)(2.00×10⁻⁶)(3.00×10⁻⁶)/(0.300)²=0.600 N.
Why not A: This divides the correct numerator by three times the required squared distance factor.
Why not B: This is three times the result from kq₁q₂/r².
Why not D: This shifts the decimal one place above the Coulomb-law result.
What is the electric field at any interior point of a uniformly charged thin spherical shell?
  1. Zero ✓
  2. kQ/r² directed outward
  3. kQ/R² directed inward
  4. σ/ε₀ directed outward
Answer: A. A concentric Gaussian surface inside the shell encloses zero charge; spherical symmetry then requires E=0.
Why not B: A Gaussian sphere inside encloses no shell charge, so the point-charge expression does not apply.
Why not C: The nonzero surface field cannot be assigned throughout the empty interior.
Why not D: This resembles a conductor boundary result and is not the interior field.

These are 3 of the 30 questions in the test. Take the full chapter test →

Read the chapter first

Every NCERT question in this chapter is solved, free: NCERT solutions — Electric Charges and Fields →

Other NEET Physics chapters

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Questions

How many NEET and JEE questions are there on Electric Charges and Fields?

This chapter test has 30 questions — 10 easy, 14 medium and 6 hard — all written against the NCERT Class 12 chapter.

Is this NEET and JEE Physics chapter test free?

Yes. Every chapter test is free with no login, and you get your all-India rank on every one. Nothing on the site is on sale right now.

Do the questions explain the wrong options?

Yes — every distractor carries its own explanation naming the specific misconception that makes a student pick it. That is the part most question banks skip, and it is the part that changes your next attempt.