Single Choice

A sure test of electrification is:

Aattraction
Brepulsion
Correct Answer
Cfriction
Dinduction

Solution

Repulsion is the sure test of electrification.
Note: If two bodies are electrified (i.e., charged they can either attract or repel). If they are:
(a) attracted: this is not only possible by electrification but can also be due to the attraction of an uncharged body with charged body.
(b) repulsion: repulsion is possible only when both objects are charged oppositely.

SIMILAR QUESTIONS

Electrostatics

Consider a neutral conducting sphere. A positive point charge is placed outside the sphere. The net charge on the sphere is then,

Electrostatics

When a body is charged by induction, then the body

Electrostatics

In induction, a positively charged body can make an uncharged body positively charged.

Electrostatics

Charging a conductor by bringing another charged conductor close to it without touching is called

Electrostatics

Describe the method of charging a conductor by induction.

Electrostatics

In induction the charge induced in the near surface of a dielectric is:

Electrostatics

A piece of paper appears to be attracted to a charged ebonite rod, even before they touch (see fig.). The charge at A is :

Electrostatics

A piece of paper appears to be attracted to a charged ebonite rod, even before they touch (see fig.). The charge at B is :

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