Explain electromotive force, Physics

Assignment Help:

Electromotive Force: (emf)

A force which derives the electric current is known as electromotive force.

OR

The energy needed to drive the charge around the circuit is known as the electromotive force.

 


Related Discussions:- Explain electromotive force

Find the current in given cross-section, Q. If 6.25 X 10 18 electrons flow ...

Q. If 6.25 X 10 18 electrons flow through a given cross-section in unit time, find the current. Solution: Current I = q / t = ne / t = (6.25 X 10 18X 1.6 X 10 -19) / 1 = 1 A

What is a fiber optic sensor, What is a fiber optic sensor? Fiber optic...

What is a fiber optic sensor? Fiber optic sensor: A fiber optic sensor is a sensor which uses optical fiber either like the sensing tool ("intrinsic sensors"), or implies as

Determine the full load secondary current, 5kVA single-phase transformer ha...

5kVA single-phase transformer has a turns ratio of 10:1 and is fed from a 2.5kV supply. Neglecting losses, Determine (a) the full load secondary current, (b) the minimum

What do you mean by dispersion, What do you mean by dispersion? Describe a ...

What do you mean by dispersion? Describe a physical quantity which depends only on the material of the prism for its dispersion. Get an expression for it.

Production of electricity by pressure, Production of electricity by pressur...

Production of electricity by pressure: Certain crystals and semiconductors produce an emf between two opposite faces when the mechanical pressure on them is either increased or

Why should the material used for making permanent magnets, Why should the m...

Why should the material used for making permanent magnets have high coercivity? What will be the values of input A and B for the Boolean expression? Why is frequency modulati

Calculate the feedback fraction, Q. The gain of an amplifier without feed...

Q. The gain of an amplifier without feedback is 100 and the gain of an amplifier with feedback is 200. Calculate the feedback fraction. Solution : Voltage gain after feedba

A foucault pendulum to show the rotation of the earth, A  Foucault pendulum...

A  Foucault pendulum to show the rotation of the earth A G-clamp with a ball bearing soldered to the inside of the jaw makes a excellent support for a Foucault Pendulum. It is

Cph theory is able explain the universe future, if CPH has mass, so CPH The...

if CPH has mass, so CPH Theory is able explain the universe future. Universe should collapse. And it is able explain dark matter too. Am I wrong? Answer; you are correct that C

Newtons law of universal gravitation, Newton's law of universal gravitation...

Newton's law of universal gravitation (Sir I. Newton): Two bodies attract  to each other with equal & opposite forces; the magnitude of this force is proportional to the produ

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