A metallic shell has a point charge ‘ q ’ kept inside its cavity. Which one of following

English

Gujarati

Hindi

1. Electric Charges and Fields

easy

A metallic shell has a point charge ‘$q$’ kept inside its cavity. Which one of the following diagrams correctly represents the electric lines of forces

A

B

C

D

(IIT-2003)

Solution

(c)Electric field is perpendicular to the equipotential surface and is zero every where inside the metal.

Standard 12

Physics

Share

Similar Questions

Electric lines of force about negative point charge are

easy

Assertion : Electric lines of force never cross each other.

Reason : Electric field at a point superimpose to give one resultant electric field.

easy

(AIIMS-2002)

A sphere of radius $R$ and charge $Q$ is placed inside a concentric imaginary sphere of radius $2R$. The flux associated with the imaginary sphere is

easy

The electric flux for Gaussian surface A that enclose the charged particles in free space is (given $q_1$ = $-14\, nC$, $q_2$ = $78.85\, nC$, $q_3$ = $-56 \,nC$)

medium

The figure shows a hollow hemisphere of radius $R$ in which two charges $3q$ and $5q$ are placed symmetrically about the centre $O$ on the planar surface. The electric flux over the curved surface is

medium