JEE Main 2026 · 4 Apr · Shift 2 · Physics Q38

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PhysicsSingle correct+4 / -1Question 38 of 75

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

Assertion A: In electrostatics, a conductor does not store any net charge inside.

Reason R: Inside the capacitor (with no dielectric medium), the free charge carriers, if placed between the plates of capacitor, experience force and drift.

Choose the correct answer from the options given below

Both A and R are true and R is the correct explanation of A

Both A and R are true but R is NOT the correct explanation of A

A is true but R is false

A is false but R is true

Answer and worked solution

Official answer: B

Assertion. In electrostatic equilibrium the field inside a conductor is zero, so any net charge resides on the surface: true.

Reason. Between capacitor plates there is a field, so free charges placed there feel a force and drift: true.

But R concerns the space between plates, not why a conductor holds no charge inside, so it does not explain A.

(B)

Topics:Conductors and charge distribution Capacitors and capacitance

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JEE Main 2026 · 4 Apr · Shift 2, Physics question 38