Concept Videos :-

#2 | Basic Properties of Charge
#3 | Coulomb's Law Numericals
#4 | Dielectrical Constant
#5 | Principle of Superposition

Concept Questions :-

Coulomb's law
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


Concept Videos :-

#2 | Basic Properties of Charge
#3 | Coulomb's Law Numericals
#4 | Dielectrical Constant
#5 | Principle of Superposition

Concept Questions :-

Coulomb's law
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


Concept Videos :-

#2 | Basic Properties of Charge
#3 | Coulomb's Law Numericals
#4 | Dielectrical Constant
#5 | Principle of Superposition

Concept Questions :-

Coulomb's law
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


The law, governing the force between electric charges is known as 

(1) Ampere's law

(2) Ohm's law

(3) Faraday's law

(4) Coulomb's law

Concept Videos :-

#2 | Basic Properties of Charge
#3 | Coulomb's Law Numericals
#4 | Dielectrical Constant
#5 | Principle of Superposition

Concept Questions :-

Coulomb's law
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


Fg and Fe represents gravitational and electrostatic force respectively between electrons situated at a distance 10 cm. The ratio of Fg/ Fe is of the order of 

(1) 1042

(2) 10

(3) 1

(4) 10–43

Concept Videos :-

#2 | Basic Properties of Charge
#3 | Coulomb's Law Numericals
#4 | Dielectrical Constant
#5 | Principle of Superposition

Concept Questions :-

Coulomb's law
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


A soap bubble is given a negative charge, then its radius 

(1) Decreases

(2) Increases

(3) Remains unchanged

(4) Nothing can be predicted as information is insufficient

Concept Videos :-

#2 | Basic Properties of Charge
#3 | Coulomb's Law Numericals
#4 | Dielectrical Constant
#5 | Principle of Superposition

Concept Questions :-

Coulomb's law
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


Four charges are arranged at the corners of a square ABCD, as shown in the adjoining figure. The force on the charge kept at the centre O is 

(1) Zero

(2) Along the diagonal AC

(3) Along the diagonal BD

(4) Perpendicular to side AB

Concept Videos :-

#2 | Basic Properties of Charge
#3 | Coulomb's Law Numericals
#4 | Dielectrical Constant
#5 | Principle of Superposition

Concept Questions :-

Coulomb's law
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


A total charge Q is broken in two parts Q1 and Q2 and they are placed at a distance R from each other. The maximum force of repulsion between them will occur, when 

(1) Q2=QR,Q1=QQR

(2) Q2=Q4,Q1=Q2Q3

(3) Q2=Q4,Q1=3Q4

(4) Q1=Q2,Q2=Q2  

Concept Videos :-

#2 | Basic Properties of Charge
#3 | Coulomb's Law Numericals
#4 | Dielectrical Constant
#5 | Principle of Superposition

Concept Questions :-

Coulomb's law
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


Three charges 4q, Q and q are in a straight line in the position of 0, l/2 and l respectively. The resultant force on q will be zero, if Q = 

(1) – q

(2) –2q

(3) q2

(4) 4q

Concept Videos :-

#2 | Basic Properties of Charge
#3 | Coulomb's Law Numericals
#4 | Dielectrical Constant
#5 | Principle of Superposition

Concept Questions :-

Coulomb's law
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level:


Two small spheres each having the charge +Q are suspended by insulating threads of length L from a hook. This arrangement is taken in space where there is no gravitational effect, then the angle between the two suspensions and the tension in each will be 

(1) 180o,14πε0Q2(2L)2

(2) 90o,14πε0Q2L2

(3) 180o,14πε0Q22L2

(4) 180o,14πε0Q2L2 

Concept Videos :-

#2 | Basic Properties of Charge
#3 | Coulomb's Law Numericals
#4 | Dielectrical Constant
#5 | Principle of Superposition

Concept Questions :-

Coulomb's law
Explanation is a part of a Paid Course. To view Explanation Please buy the course.

Difficulty Level: