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NUST Entrance Test
Physics
Electrostatics

Set 1

Mashaal Masha

Oct 15, 2022

0

Table of Contents

$If the distance between two charges is doubled, the force between them will become:$
$The SI unit of constant k in Coulomb's law is:$
$Two charges are located respectively at positions $r_{1}=0.3 j$ and $r_{2}=4 i$ w.r.t certain reference point. The distance between the charges is:$
$Origin of the electric and the gravitational forces:$
$The concept of electric field theory was introduced by:$
$Micheal Faraday is known by his work on:$
$There are two charges of $1\mu C$ and $5\mu C$ placed at certain distance. The ratio of the forces acting on each other will be:$
$Electric field strength is defined as:$
$Electric intensity at a place due to a charged conductor is a:$
$The intensity at a point due to a charge is inversely proportional to:$

Advertisement

Choose the correct options for the following questions.

If the distance between two charges is doubled, the force between them will become:

Difficulty: Easy

Bookmark

A:

Double

B:

Half

C:

Three times

D:

One fourth

The SI unit of constant k in Coulomb's law is:

Difficulty: Easy

Bookmark

A:

Nm^{2} C^{-2}

B:

C^{2} Nm^{-1} m^{-2}

C:

C^{2} N^{-2} m^{-2}

D:

Nm^{-2} C^{2}