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How are emf measured?
emf in volts
How initially voltage build up in an alternator by residual magnetism?
The residual flux will help the phenomenon of changing flux. So that emf generation takes place.
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
How do you prove the existence of back EMF?
How do you proof of the existence of back emf ?
What does induction mean in science?
the phenomenon of generation of emf by means of change in flux.
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.
How are motion induced electric fields and motional emf related in the context of electromagnetic induction?
Motion-induced electric fields and motional emf are related in the context of electromagnetic induction because both phenomena involve the generation of an electric field due to a changing magnetic field. When a conductor moves through a magnetic field, it experiences a motional emf, which is the voltage induced in the conductor. This motional emf is caused by the motion-induced electric fields that are generated in the conductor as a result of the changing magnetic field. In essence, motion-induced electric fields lead to the generation of motional emf through electromagnetic induction.
Why change in flux causes generation of electricity?
whenever flux changes an emf is induced if ressistance is connected to that side current is generated.
Emf produes when magnet is in motion does emf can be produced by rotating the coil?
EMF can be produced either by change of flux through a particular area kept in a magnetic field in a particular interval of time ( called self induced emf) or by the motion of any conducting rod in manetic fied....
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
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....
How initially voltage build up in an alternator by residual magnetism?
The residual flux will help the phenomenon of changing flux. So that emf generation takes place.
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.
Which starter is best for 7.5 hp 3phase motor?
Which starter is best for 7.5 hp 3phase motor?Read more: Which_starter_is_best_for_7.5_hp_3phase_motor
What is the phenomenon of emf development between two different metals placed in contact known as?
The phenomenon of EMF development between two different metals placed in contact is known as the Seebeck effect or thermoelectric effect. It occurs when there is a temperature difference between the two metals, leading to the generation of an electromotive force (EMF) or voltage. This effect forms the basis of thermocouples used in temperature measurement and sensing applications.
