Hello Science lover !
This article is based on the following questions:
State coulomb’s law:
[1.What is point charge?] If the charge body is very small, like a point then the charge of the body is called point charge. [2. Explaining state Coulomb’s law ] At the particular medium the magnitude of attractive or repulsive force between two-point charges is directly proportional to the product of the charges and inversely proportional to the squire of the distance between the charges and the force acts along the straight line joining the two charge.
Let, two charges are situated at point A and B magnitude of
them are q1 and q2 respectively and d is the distance
between theme. Then according to coulomb’s law
F∝ {(q1 q2) /d2}
=>F=C {(q1 q2) /d2} [Here “c” is a proportionally constant]
Then the proportionally constant c for vacuum is found to be
C=1/4πε0=9×109 Nm2c-2
So, f= (1/4πε0) {(q1 q2) /d2}
Electric field strength or intensity:
[3. what is electric field?] The area around a charge body where other charged body experience attraction or repulsion is called the electric field of that charge. [4. What is electric field strength/intensity?] The force experience by a unit positive charge placed at any point is an electric field is called the electric strength or intensity at the point.
It is a vector quality. Most of the time it’s denoted by “E” and its unit is NC-1
[5. Magnitude:] If a charge +q is placed at a point in the electric field and experiences force ‘F’ then the magnitude of the electric intensity at that point would be, E=F/q
This article is based on the following questions:
- What is point charge?
- What is state coulomb’s law?
- What is electric field?
- What electric field strength/intensity means?
- What is magnitude?
State coulomb’s law:
[1.What is point charge?] If the charge body is very small, like a point then the charge of the body is called point charge. [2. Explaining state Coulomb’s law ] At the particular medium the magnitude of attractive or repulsive force between two-point charges is directly proportional to the product of the charges and inversely proportional to the squire of the distance between the charges and the force acts along the straight line joining the two charge.
 |
| state coulomb’s law |
F∝ {(q1 q2) /d2}
=>F=C {(q1 q2) /d2} [Here “c” is a proportionally constant]
Then the proportionally constant c for vacuum is found to be
C=1/4πε0=9×109 Nm2c-2
So, f= (1/4πε0) {(q1 q2) /d2}
Electric field strength or intensity:
[3. what is electric field?] The area around a charge body where other charged body experience attraction or repulsion is called the electric field of that charge. [4. What is electric field strength/intensity?] The force experience by a unit positive charge placed at any point is an electric field is called the electric strength or intensity at the point.
It is a vector quality. Most of the time it’s denoted by “E” and its unit is NC-1
[5. Magnitude:] If a charge +q is placed at a point in the electric field and experiences force ‘F’ then the magnitude of the electric intensity at that point would be, E=F/q
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