# Electricity & Megnetism

Electricity and magnetism can be defined as : Electricity is the branch of physics which deals with the study of charges at rest or motion and relationship of electricity with magnetism is called electricity & magnetism.

• ### Difference between ac and dc current in tabular form

What is the difference between ac and dc current? Alternating current (AC) and direct current (DC) are two types of…

• ### Discuss analogies and differences between Gauss’s law and ampere’s law

Analogies between Gauss’s law and Ampere’s law Gauss’s law says the electric flux through a closed surface is proportional to…

• ### Galvanometer and ammeter

Galvanometer and ammeter are both current measuring devices.The galvanometer is used to measure very small current while ammeter is used…

• ### Difference between gravitational force and electrostatic force in tabular form

The basic difference between gravitational and electrostatic force is that:Gravitational force is the force by which earth attracts other objects…

• ### Formula for ohm’s law with example and problems

Ohm’s law states that: “The current flowing through a conductor is directly proportional to the potential difference across its ends…

• ### Relationship between voltage and current

Relationship between voltage and current is describe in equation of ohm’s law (V=IR).Voltage is the amount of energy per charge…

• ### Resistance definition in physics and electricity

What do you mean by resistance? “Resistance is the property of material that restricts the flow of electrons.”When there is…

• ### Types of electric charges with formula and examples

Electric charge is defined as:”An electrical property of matter that exists because of an access or a deficiency of electrons.”There…

• ### Coulomb’s law examples and problems

“Coulomb’s law states that  force of attraction or repulsion between two electric charges is directly proportional to their magnitudes and…

• ### Gauss’s law and its applications

Gauss’s law states that: “The total electric flux through any closed surface  is equal to 1/ε0 times the total charge enclosed…