Explain electromagnetism, Physics

Assignment Help:

Electromagnetism:

A temporary magnet formed by winding a coil of insulated copper wire around a piece of shift iron is known as electromagnet. When current is passed it behaves as magnet.

Uses:

Electromagnets are used in electric bells, loud speaker, telephone receiver, televisions, radio sets, motors, dynamos and generators.

 


Related Discussions:- Explain electromagnetism

Determine relative permeability of a paramagnetic substance, The relative p...

The relative permeability of a paramagnetic substance is (A) Unity.         (B) Slightly more than unity. (C) Zero.           (D) less than unity. Ans: The relativ

De-broglie wavelength, According to de-Broglie theory, the wavelength of de...

According to de-Broglie theory, the wavelength of de-Broglie wave is given by Where h = Plank's constant, m = Mass of the particle, v = Speed of the particle, E = Energy of

What is free potential, Potential free contacts (also known as "dry contact...

Potential free contacts (also known as "dry contacts") are simply contacts which are physically operated with the main device, but not electrically connected to it. For example a m

Evaluate the total volume and the density of the sample, An ore sample weig...

An ore sample weighs 17.50 N in air. When the sample is suspended by a light cord and totally immersed in water, the tension in the cord is 11.20 N. Find the total volume and the d

Give two basic important characteristics of nuclear forces, Give two basic ...

Give two basic important characteristics of nuclear forces? Neutrons are the best projectiles of process of nuclear reactions. Why? Give any two properties of neutron.

Vectors and 3 Dimensional Forces, 5 example of Classification and 5 types o...

5 example of Classification and 5 types of Vectors and 3 Dimensional Forces

Universal gravitation, Object A attracts object B with a gravatational forc...

Object A attracts object B with a gravatational force of 10 newtons from a given distance. If the distance between the two objects is doubled, what is the changed force of attracti

Which bulb most efficiently changes electric energy to light, A manufacture...

A manufacturer of light bulbs advertises that its 55-W bulb, which produces 800.0 lm of light output, gives almost the similar light as a 60.0-W bulb with an energy savings. Th

Expermient of zehnder''s balance, Zehnder's balance This ingenious bala...

Zehnder's balance This ingenious balance, which is very beneficial for demonstration experiments, can be constructed in a few minutes using pins, razor blade, cork and knitting

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd