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Physics · Electrostatics

JEE Main 2025 — 8 April, Evening Shift — Question 60

Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R.

Assertion A: Work done in moving a test charge between two points inside a uniformly charged spherical shell is zero, no matter which path is chosen.

Reason R\mathbf{R} : Electrostatic potential inside a uniformly charged spherical shell is constant and is same as that on the surface of the shell.

In the light of the above statements, choose the correct answer from the options given below

  1. Option A:

    A\mathbf{A} is false but R\mathbf{R} is true

  2. Option B:

    Both A\mathbf{A} and R\mathbf{R} are true and R\mathbf{R} is the correct explanation of A\mathbf{A}

    Correct
  3. Option C:

    Both A\mathbf{A} and R\mathbf{R} are true but R\mathbf{R} is NOT the correct explanation of A\mathbf{A}

  4. Option D:

    A\mathbf{A} is true but R\mathbf{R} is false

Answer: B

Step-by-step solution

Both A & R are correct and R is correct explanation Δw=q(Δv)\Delta w=q(\Delta v)

Δv=0\Delta v=0

⇒Δw=0\Rightarrow \Delta w=0

Answer key and solution verified before publishing.

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Exam
JEE Main 2025
Paper
8 April, Evening Shift
Subject
Physics
Chapter
Electrostatics
Topic
Electrostatic Potential Energy and Electric Potential

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