1.In two wattmeter method if one wattmeter shows Negative
reading then wat is reason?
2.Wat is the reason for low voltage in houses?
3.Wat is meant by current and voltage? wat is difference
between the two?
Answer Posted / james nyoro
1;phase angle is greater than 90 degrees cos 90=0 cos-in
=math error
2;reverse connection of current coil
Is This Answer Correct ? | 2 Yes | 7 No |
Post New Answer View All Answers
how to calculate single phase motor efficiency ?
what is there inside an inverter and how it works?
what is the isolation transformer. what is the isolator?
Where should the lighting arrestor be placed in distribution lines?
In ups static switch if i gives the supply at output end it will open the circuit in stactic switch or not if it will open then how it operates.
what is the value of combined earthing in general electrical circiut?
why EMF IS INDUCED IN A CONDUCTOR WHEN FLUX LINKING WITH IT CHANGES ACCORDING TO FARADAYS LAW.
what is Different between Bilinear and Unilenier?
hi Is there any possibilities to find out the rotation of a shaft or something else by using electromagnectic waves or by IR rays.If s then can v change the dir., of rotation of the same by remotely?& how? plz dn't any1 say "NO r CAN'T"
electrical
how unidirectional torque is produced in DC motor?
why would amp draw on neutral wire be as much as amp draw on the hot leg.
magnetizer priciple
What happens if we give the supply to the rotor of induction motor and make its terminal shorted?
different aspects of voltage stability