Table of Contents
What is the formula for EMF?
The current that flows is I=(emf1+emf2)r1+r2+Rload I = ( emf 1 + emf 2 ) r 1 + r 2 + R load .
Is EMF equal to voltage?
Varying magnetic fields also can generate EMF according to the Faraday's law. Although EMF is also a voltage and measured in Volts (V), it is all about voltage generation. … When a electric circuit is run using an EMF, the sum of the voltage drops in that circuit equals to the EMF according to the Kirchhoff's second law.
What is Ohm’s law used for?
Ohm's Law is a formula used to calculate the relationship between voltage, current and resistance in an electrical circuit. To students of electronics, Ohm's Law (E = IR) is as fundamentally important as Einstein's Relativity equation (E = mc²) is to physicists.
What is EMF of a cell?
The electromotive force (e) or e.m.f. is the energy provided by a cell or battery per coulomb of charge passing through it, it is measured in volts (V). It is equal to the potential difference across the terminals of the cell when no current is flowing.
What is a terminal voltage?
Terminal voltage is the voltage / potential difference across the terminals of a cell or battery. If the cell/battery is not connected to circuit then the terminal voltage/p.d is equal to the e.m.f of the cell or battery.