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Why the unit of potential difference and electromotive force is the same?
Because an electromotive force is a potential difference (voltage) -specifically, an electromotive force is the open-circuit or no-load potential difference of a source such as a battery or generator.
What is the difference between Counter-electromotive force and back emf?
They are Same for dc motor
What must be applied for electrons to move in the same direction?
electromotive force...
The electricity that flows in wires is called?
The force that pushes electricity through a wire or anything else is called electromotive force. This is the same as potential difference and is measured in volts. A volt is the potential difference that causes a power dissipation of 1 watt when the current is 1 amp.
What instrument measures electrical energy?
BTUAnswerBTU AnswerBritish thermal unit; BTU
What is difference between voltage and emf?
An electromotive force (e.m.f.) is the open-circuit, or no-load, potential difference provided by a source -such as a battery or generator. For a closed circuit, an e.m.f. is the sum of the voltage-drops around any closed loop, including the internal voltage drop of the source.A potential difference (voltage) can exist across any circuit component. For example, the fact that current is flowing through each of several resistors in a series circuit means that there must be an individual potential difference across each of those resistors (which we also term 'voltage drop').An electromotive force is the name we give to the open-circuit potential difference provided by a generator, battery, etc. For example, the open circuit potential difference of a battery would be its electromotive force.So, if we use a series resistive circuit as an example, the battery would provide the electromotive force, while voltage drops would then appear across its internal resistance, and across each of the resistances. The magnitude of the electromotive force is then equal (but acting in the opposite sense) to the sum of the voltage drops, including the internal voltage drop.Many textbooks use the symbol, E, to represent an electromotive force, and V to represent potential difference. So, Kirchhoff's Voltage Law, for example, will often be seen written as: E = V1 + V2 + V3 + etc.
Are potential difference and voltage always the same?
Voltage is simply another word for potential difference.
The potential labor force is the same as the civilian labor force?
false
Is potential labor force the same as civilian labor force?
children under 18
Is potential labor force the same as the civilian labor force?
children under 18
Is emf current greater than current?
EMF is electromotive force. It is another name for voltage. Voltage is electric potential in joules per coulomb. Current is electric flow, in amperes. Amperes are coulombs per second. Voltage and current are not the same thing, and "emf current", or "voltage current" does not make sense.
What is the unit voltage?
I am unsure of what your question means, but here goes . . . For example, the unit of electrical current is the Ampere, or just Amp. The unit of electrical resistance is the Ohm. (rhymes with 'home') By the same token, the unit of electromotive force (or EMF) is the Volt. All three units are capitalized because they are real peoples' names. (Ampere, Ohm, and Volta).
