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Tag Archives: electric field

Difference between electric potential and electric potential energy

Electric potential: “Electric potential at a point in electric field is the amount of work done to bring the unit positive charge from infinity to that point.” The gravitational potential at point in the gravitational field is the gravitational potential energy of a unit mass placed at that point.In this way ,the electric potential at any point in the electric ...

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Discuss analogies and the differences between Coulomb’s law and the Biot- Savart’s law?

Similarities: Both the electric and magnetic field depends inversely on square of distance between the source and field point. Both electric field and magnetic field are proportional to the source strength namely charge and current element respectively. Both obey superposition principle. Differences: According to Coulomb’s law,the electrostatic force between two point charges is directly proportional to the product of their ...

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What is Electric Flux? “Total number of field lines passing through a certain element of area is called flux”. It may also be defined as “The scalar product of electric field intensity E and vector area  A“. Electric flux formula: It is denoted by Greek letter Φ. Φ=E.A Φ=EAcosθ Where θ is the angle between E and A.Electric flux is a scalar quantity. ...

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What is the law of electric charges?

What is the definition of  Charge in physics? Electric charge is defined as:”An electrical property of matter that exists because of an access or a deficiency of electrons.” If you walk across a carpet in dry weather,you can draw a spark by touching a metal door knob.On a grander scale,lightning is familiar to everyone.Such phenomena suggest the vast amount of ...

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coulomb’s law of electrostatic in vector form with examples

What does Coulomb’s law mean? “Coulomb’s law states that  force of attraction or repulsion between two electric charges is directly proportional to their magnitudes and inversely proportional  to the square of distance between them”.It is mathematically explained as: Charles Agustin Coulomb (1736-1806) measured electrical attractions and repulsions  quantitatively and deduced the law that governs them.His apparatus,shown in fig. This figure ...

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