In the regulations for electrical installations, the types of earthing systems are identified as follows, depending on the relationship of...
Wednesday, December 20, 2017
Sunday, December 10, 2017
Explain how a PN junction operates when it is forward biased and reverse biased. Forward Biased PN Junction • An ext. Battery ...
Friday, December 8, 2017
Thursday, December 7, 2017
A 5kVA single-phase transformer has a turns ratio of 10:1 and is fed from a 2.5kV supply. Neglecting los...
Wednesday, December 6, 2017
FEEDER It’s a conductor which connect the substation or generating station to the area where power is distributed.no tapping are...
Tuesday, December 5, 2017
what is the disadvantage of the use of hysteresis motor? it has poor output low torque low efficiency low factor this type m...
Saturday, December 2, 2017
Consider a toroid (similar to a ring) wound uniformly with N turns. If the mean radius of the magnetic path of the toroid is a, then the ...
Friday, December 1, 2017
Magnetic Field The magnetic field at a point is defined as being equal to the force acting on a unit magnetic pole placed at that point. ...
Theory - *One of the basic theorems in electromagnetism is the Ampere’s Law which relates, the magnetic field produced by an electric...
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