Why we use 2core cable for Dc motor.Can I use 3core?
Answer Posted / kirti
we use 2 core, one '+' & one '-' as we all know. there is
no meaning of providing earthing in d.c as protection can't
be given by earthing in d.c.
Is This Answer Correct ? | 8 Yes | 1 No |
Post New Answer View All Answers
What is order of the system?
i have applied for junior engineer 2 c&w for Guwahati RRB please send me last five year question paper
What is T’Q and X’Q and X’D ? and what is saturated as well as unsaturated ?
why on axial hitting up of air blast on hydrogen produced in oil circuit breaker,temperature rises of the core of the arc?
What is the distance between body earthing and neutral earthing.?
specific difference of ICT&Auto Transformer
Write masons gain formula.
Differentiate between ideal and non ideal current sources?
what does a k rating in a transformer means?
Why do we avoid electrical conduits in floors at apartments?
explain the process of commutation in a dc machine. Explain what are inter-poles and why they are required in a dc machine.
how to extend relay operating timing in 24V dc relay card (without using Timer )
how to calculation increase capacitor,increase power factor for three phase.
i am going to attaned the engineer (disign)iterview at HAL please give me duid line
what are the standard IR values should be of R-E, Y-E, B-E, R-Y, Y-B, B-R of VCB in closed condition and in open condition for 500KVA & 1000KVA transformers. and what is the acceptable range when tested by 5000V megger.