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Electrostatics - Set 1

Home
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NUST Entrance Test
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Physics
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Electrostatics

Set 1

MM

Mashaal Masha

Oct 15, 2022

On this page

$If the distance between two charges is doubled, the force between them will become:$
$The SI unit of constant k in Coulomb's law is:$
$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:$
$Electric field strength is defined as:$
$Electric intensity at a place due to a charged conductor is a:$
$The intensity at a point due to a charge is inversely proportional to:$

Choose the correct options for the following questions.

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

Difficulty: Easy

A:

Double

B:

Half

C:

Three times

D:

One fourth

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

Difficulty: Easy

A:

Nm^{2} C^{-2}

B:

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

C:

The concept of electric field theory was introduced by:

D:

Nm^{-2} C^{2}

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:

Difficulty: Easy

A:

0

B:

4i+3j

C:

4i-3j

D:

12k

Origin of the electric and the gravitational forces:

Difficulty: Easy

A:

Was in 1911 A.D

B:

Was in 1811 A.D

C:

Was in 1711 A.D

D:

Is still unknown

The concept of electric field theory was introduced by:

Difficulty: Easy

A:

Michael Faraday

B:

Newton

C:

Dalton

D:

Kepler

Micheal Faraday is known by his work on:

Difficulty: Easy

A:

Nuclear strong force

B:

Gravitational force

C:

Nuclear weak force

D:

Electric force

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:

Difficulty: Easy

A:

1:5

B:

1:1

C:

5:1

D:

1:25

Electric field strength is defined as:

Difficulty: Easy

A:

Work done on unit charge

B:

Force exerted on unit charge

C:

Distance covered by unit charge

D:

Power exerted by unit charge

Electric intensity at a place due to a charged conductor is a:

Difficulty: Easy

A:

Scalar quantity

B:

Vector quantity

C:

Semi-vector and semi-scalar

D:

Dimensionless quantity

The intensity at a point due to a charge is inversely proportional to:

Difficulty: Easy

A:

Amount of charge

B:

Size of the charge

C:

Distance between and the point

D:

Square of the distance from the charge