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The + and - you see on the end of batteries is the electrical polarity.
It refers to the direction of electron flow (more electrons at the -ve end, they flow to the +ve end through the circuit)
Electrical circuits need to be checked for polarity prior to energising. To ensure correct polarity it is necessary to ascertain that all single pole switching and protective devices are installed in the live conductor.
This ensures that when the said switch or protective device operates that the supply to the load which is being powered is interupted.
Reverse polarity would ensue if the switch was installed in the neutral as when operated the poad would cease to operate yet the load would still be energised.
Wiki User
∙ 14y ago
Wiki User
∙ 15y agowhen a dielectric substance is placed between two oppositely charge plates then each atom or molecule of the substance behave as a dipole and the substance is said to be polarized and this phenomenon is called electric polarization.
Wiki User
∙ 15y agopolarization is a media which has the particles having energy vibrate in direction of propagation .or
is the phenomenon in which molecules present in the media vibrates in a uni direction of propagation
Wiki User
∙ 13y agoWave polarization is when you take light and separate it so it all travels on one plane. You can polarize light by means of transmission, reflection, refraction and scattering.
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What is the difference between electrical polarisation and dielectric polarisation?
in electric polarization ion is formed which have more tendency to form then magnetic polarization . in magnetic polarization just transfer of electron via flux . so the basic reason is that ion has more mobility constant then electron.so electric polarization is more faster then magnetic polarization.
Why does the electric field inside a dielectric decrease when it is placed in an external electric field?
The net electric field inside a dielectric decreases due to polarization. The external electric field polarizes the dielectric and an electric field is produced due to this polarization. This internal electric field will be opposite to the external electric field and therefore the net electric field inside the dielectric will be less.
Longitudinal wave do not exhibit in polarization or diffraction?
Longitudinal waves doesn't exhibit polarization or diffraction; these to features are for transverse waves.
Is diffraction grating is used in polarization?
No diffraction grating is not used in polarization.
How polarization of light can be demonstrated on a parallel arrangement of crystals?
how polarization of light can be demonstrated on a parallel arrangement of crystal explain
What is the difference between electrical polarisation and dielectric polarisation?
in electric polarization ion is formed which have more tendency to form then magnetic polarization . in magnetic polarization just transfer of electron via flux . so the basic reason is that ion has more mobility constant then electron.so electric polarization is more faster then magnetic polarization.
What is the IEEE definition for circular polarization?
Here is Wikipedias definition:In electrodynamics, circular polarization of an electromagnetic wave is a polarization where the tip of the electric field vector, at a fixed point in space, describes a circle as time progresses. If the wave is frozen in time the electric field vectors describe a helix along the direction of propagation. Circular polarization is a limiting case of the more general condition of elliptical polarization.
Why does the electric field inside a dielectric decrease when it is placed in an external electric field?
The net electric field inside a dielectric decreases due to polarization. The external electric field polarizes the dielectric and an electric field is produced due to this polarization. This internal electric field will be opposite to the external electric field and therefore the net electric field inside the dielectric will be less.
What is the Difference between plane of polarization and plane of vibration?
A plane including the direction of light propagation and the direction of electric field is called the "plane of vibration". The "plane of polarization" is a confinement of the electric/magnetic field vector to a given plane along the direction of propagation.
What are the types of polarization?
electronic polarization ionic or atomic polarization orientation or dipole polarization space charge polarization
Longitudinal wave do not exhibit in polarization or diffraction?
Longitudinal waves doesn't exhibit polarization or diffraction; these to features are for transverse waves.
What is activation polarization?
activation polarization is a polarization due to charge transfer kinetics of the electrochemical process involved.
Polarization is a property of?
Polarization is a property of transverse waves.
What is charged polarization?
Charge polarization occurs when an electric field distorts the negative cloud of electrons around positive atomic nuclei in a direction opposite the field. The slight separation of charge makes one side of the atom somewhat positive and the opposite side somewhat negative.
What is polarization in the electrocardiogram?
The contraction of any peart of heart in ecg is known as polarization. Eg contraction of atria is known as polarization of atria
When was Polarization - album - created?
Polarization - album - was created in 1977-01.
Is diffraction grating is used in polarization?
No diffraction grating is not used in polarization.
