27 What is the electromotive force ( e.m. f.) of a cell?B A the amount of charge that passes through the cell per unit time B the energy gained per unit charge as charge passes through the cell C the total amount of charge flowing through the cell D. the total energy stored in...
Why don't electric charges always follow the electric lines of force? Can different equipotential lines cross? Explain. What is the electromotive force? List four properties of electric flux lines. What is the properties of electric charge?
What is the electromotive force? What is an ideal liquid? What are electromagnets used for? Give an example of a physical quantity having neither unit nor magnitude. State and define the SI unit of power. What countries use both metric and non-metric system?
Step-by-Step Solution:1. Definition of EMF: The Electromotive Force (EMF) of a cell is defined as the voltage or electrical potential difference between the two electrodes (anode and cathode) of an electroc
Step by step video & image solution for What is electromotive force(emf)? by Physics experts to help you in doubts & scoring excellent marks in Class 12 exams. Updated on:21/07/2023 Class 12PHYSICSCURRENT ELECTRICITY Topper's Solved these Questions ...
Purpose – The paper aims at justifying the operational rule "a voltmeter's reading is the electromotive force, as it existed before branching it, along the path γ traced out by the connectors between the contact points". Design/methodology/approach – A simple application of Faraday's law ...
The voltage, orelectromotive force(emf), that results from the behavior of an electromagnet needs to be accounted for through techniques in physics and engineering to keep yourself and others safe. The current that flows through an electromagnet dictates how strong it is and, therefore, what sort...
The Magnetomotive force (MMF) is defined as the work done in moving a unit magnetic pole once around the magnetic circuit. It is a magnetic pressure that tends to set up magnetic flux in a magnetic circuit. Mathematically, the mmf is the product of current and number of turns of a coil...
The derived unit of electromotive force, the volt, symbol V, is the electric potential difference between two distinct points on a wire capable of carrying a charge. More specifically, a potential difference transmits one unit (joule) of energy to each charge (coulomb) that passes through it....
Voltage is the pressure from an electrical circuit’s power source that pushes charged electrons (current) through a conducting loop, enabling them to do work such as illuminating a light.