working principle of current sensing relay? how its work?
Answer / mail
heating& magnetic field creating by current.i--H---B
CURRENT PERPORTIONL TO THE HEAT & MAGNETIC
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A Question Like A Wire Is Wound Whose Resistance Is Some 132. 44647 Ohms. If A Voltage Of 30 mv, 296 Ma Current Is Applied To It What Is The Resistance.
how can maintaince the acb contactor moveing and fixing kit
can anyone help me regarding bout Electrical designs and calculations .. which text book should i follow as i am a trainee engineer.Description of my work which is Electrical designs like cable sizing, lighting, lightning, Gensets sizing, motor sizing, transformer sizing, generator sizing, circuit breakers, PDB MCC PCC SLDB MLDB panels, Single line diagrams mainly, substation desings, cable routing and layouts, reactive power compensations, power factor improvement, voltage drop calculations, power generations, power transmission, power distributions all calculations.Please help me
Why saturation region slowly shifted in the left side?
What are :- AC Distribution Board (Single & Double Front) DC Distribution Boards Distribution Board LT Breaker Panel.
Is necessary Protection CT, CLASS - 5P10 fitted at Incomer side of main Breaker ? Why ?
why transformer rating is in kva?
my b-tech percentage is 50%. what answer will satisfy the hr ?
I am going to appear for the RRB Chennai Section Engineer online exam. Please send me the question papers from 2001 to date to my mail id:upendrakrishna20@gmail.com,plz send me ,or send any other rrb papers plzzzzzzzzzzzzzzzzzz
how snubber circuit works to protect switching devices?
What is reason to get a power factor nearly zero in resistive loads
why battery dc voltage become Half when we check with respect to ground for example 120volts + and - terminals and when we check + terminal with Earth thats 60volts why 60volts we can not ground the battery.
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