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What is the difference between EMP and EMF and how do they affect electronic devices?
EMP stands for electromagnetic pulse, which is a burst of electromagnetic radiation that can disrupt or damage electronic devices. EMF stands for electromagnetic field, which is a region of electromagnetic energy surrounding a source. While EMF can affect electronic devices by causing interference, EMP is much more powerful and can cause more severe damage by overwhelming the devices with energy.
Can a diode act as a source of emf?
NO
Can back emf in an inductor be in the same sense as emf of source?
yes..only the application is different.
What are the differences between EMF and EMP, and how do they affect electronic devices?
EMF (electromagnetic field) is a continuous field of electromagnetic radiation, while EMP (electromagnetic pulse) is a sudden burst of electromagnetic energy. EMF can interfere with electronic devices over time, while EMP can cause immediate and severe damage to electronic devices by overwhelming their circuits.
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.
How energy is transferred from stator to rotor?
when current is passing through the stator windings of motor magnetic field is develop ,due to it emf is produced inside the stator windings,that emf is further cuts the emf across stator due to which current flowing inside the rotor.
How is emf induced in an alternator?
EMF or electromotive force, i.e.Voltage, is generated when the magnets inside the alternator turn within the wire coil of the alternator.
What is emf source?
there are two kinds of "EMF" electroMagnetic field and Electromotive force. the former is given off by electricity through a conductor (it doesn't have to be a coil or have a core) the latter can be magnetic flux or electromagnetic waves.
What happens to the electron flow within a conductor if the EMF or voltage source is removed?
If the EMF or voltage source is removed from a conductor, the electron flow will eventually stop. This is because the EMF or voltage source provides the force that drives the movement of electrons through the conductor. Without this force, the electrons will no longer be pushed and will come to a rest.
What emf stands for?
Electromagnetic field (induces around the metal when current flows through it). Another opinion: Nope ! 'EMF' stands for 'Electromotive Force' . We refer to it casually as 'voltage'.
Why emf does not depend on resistance?
Because emf is the very source of voltage, either chemical or inductive, an can be meassured at open circuit only so, internal resistance of the supplier is not affecting it.
What is the difference between a DC motor and a generator in terms of EMF?
During the operation of a DC motor, EMF is created across its terminals using an external source. Whereas, in a DC generator EMF is created across its terminal based on principle of dynamically induced EMF. So talking in terms of EMF, in DC motor EMF is consumed by the motor coil and utilized to rotate the axle. On the other hand, in DC generator EMF developed across coil is transfered to a load or a battery and consumed by them.
