# Electricity & Megnetism

• ## what is Difference between motional and induced emf?

The difference between motional and induced emf is provided here. Click here to learn brief differences between motional emf and induced emf. This post also includes: Motional emf definition The formula of motional emf Induced emf definition Lot’s more Let’s…

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

The basic difference between Gauss’s law and ampere’s law is that Gauss’s law is used to calculate the electric field while Ampere’s law is used to calculate the magnetic field. Gauss’s law is used in Electrostatic while Ampere’s law is…

• ## what is Difference between induced emf and induced current?

There are many ways to produce induced emf figures illustrated one of them. Consider a straight piece of wire of length l placed in the magnetic field of a permanent magnet. The wire is connected to a sensitive galvanometer. This…

• ## What are Different Types of magnets?

Magnet is a material that has the ability to produce a magnetic field on the outside, which is capable of attracting iron, as well as nickel and cobalt. Types of magnet In addition to natural magnetite or magnet, there are different types of…

• ## Lenz’s Law of electromagnetic induction

What is Lenz’s Law of electromagnetic induction? Lenz’s law states that:”The direction of induced current is always so as to oppose the change which causes the current.” A mathematical expression of Faraday’s law of electromagnetic induction was derived as: ε…

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

The difference between Coulomb’s law and Biot Savart law is provided here. If you want to learn Brief differences between coulomb’s law and Biot Savart law then you are at the right place. Keep reading.. Similarities: Both the electric and…

• ## coulomb’s and newton’s gravitational law: differences and similarities

The difference between Coulomb’s law and gravitational law is provided here. If you want to learn Brief differences b/w law of Electrostatic and Universal law of gravitation or gravitational law, then you are at the right place. Keep reading.. Comparison…

• ## What is Difference between Galvanometer and ammeter?

Galvanometer and ammeter are both current measuring devices. The basic difference between galvanometer and ammeter is that The galvanometer is used to measure very small current while ammeter is used to measure very large current up to 10 A. Now!…

• ## Hall effect and its applications in semiconductors

“An effect when occurring when a current-carrying conductor is placed in a magnetic field and orientated so that the field is at right angles to the direction of the current.”This is the Hall effect, named after E. H. Hall who…

• ## Difference between potentiometer and voltmeter in tabular form

The voltmeter is used to find the potential difference,it has high and finite resistance. While potentiometer has high and infinite resistance. More differences between potentiometer and voltmeter are given in the comparison table below. Potentiometer Vs Voltmeter Voltmeter Potentiometer Its…