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How many ways are there to generate an emf?

Anonymous

∙ 12y ago

Updated: 10/16/2024

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Q: How many ways are there to generate an emf?

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Why a dc generator you unable to generate emf even its armature is rotating?

bad connection

What are the factors causing a permanent magnet generator not to generate emf?

A magnetic field will not generate an EMF if there is no motion, so the primary factor causing a permanent magnet generator to not generate EMF is if it is not turning.

How are emf measured?

emf in volts

Does motional emf call induced emf?

yes indused emf is also called motional emf. If an open coil is subjected to a variable magnetic field, at the ends of the coil a potential difference is induced which is called induced emf. If a coil is connected to an emf source and switched on, the rising current will produced an variable magnetic field which in turn produces an emf. It is called back emf.

While discharging which is greater TPD or EMF?

EMF is greater

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Related Questions

What does an electrical wire moving through a magnetic field generate?

EMF in the wire.

Why a dc generator you unable to generate emf even its armature is rotating?

bad connection

What are the factors causing a permanent magnet generator not to generate emf?

A magnetic field will not generate an EMF if there is no motion, so the primary factor causing a permanent magnet generator to not generate EMF is if it is not turning.

How many ways to generate electricity in Wales?

2 67859780780544

What happens to emf as a battery is used?

As a battery is used, its electromotive force (emf) decreases due to various factors such as internal resistance, chemical reactions, and depletion of the chemical components that generate the emf. This leads to a reduction in the voltage output of the battery over time as it discharges.

What is the relationship between the motion of a conducting rod and the generation of motional emf within the rod?

The motion of a conducting rod can generate motional electromotive force (emf) within the rod. When the rod moves through a magnetic field, it experiences a change in magnetic flux, which induces an emf according to Faraday's law of electromagnetic induction. This emf can create an electric current in the rod, leading to the generation of electrical energy.

What is the emf induced at zero field current.and what does it signify?

EMF is the voltage across a coil (or motor) due to changes in the magnetic field. If you change the current the coil will generate a voltage (in the opposite direction of the current). So it is not the field but the change that matters.

What are Factors that causes a permanent magnet generator not to generate emf?

Either the break in the circuit or loss magnetic strength of the magnet - can result into no generation

What is the significance of the magnetic flux through a loop in the context of electromagnetic induction?

The magnetic flux through a loop is important in electromagnetic induction because it determines the amount of induced electromotive force (emf) in the loop. When there is a change in magnetic flux through the loop, it induces an emf, which can generate an electric current. This phenomenon is the basis for many electrical devices and technologies, such as generators and transformers.

How are emf measured?

emf in volts

Why emf of battery driving potentiometer is greater than emf of the cell to be measured?

Bcoz the emf which is to be measured is less than emf of driving cell....

Does motional emf call induced emf?

yes indused emf is also called motional emf. If an open coil is subjected to a variable magnetic field, at the ends of the coil a potential difference is induced which is called induced emf. If a coil is connected to an emf source and switched on, the rising current will produced an variable magnetic field which in turn produces an emf. It is called back emf.

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