Answer Posted / tameshwar singh
There are maily two functions of neutral:-
1) To provide the return path of ckt.
2) To make the ckt balance by using neutral grounding.
In some applications neutral is also used for the
restricted earth faults protection ie- Alternator
| Is This Answer Correct ? | 15 Yes | 1 No |
Post New Answer View All Answers
how unidirectional torque is produced in DC motor?
WHY IL=IPH IN STAR AND WHY IPH=IL/1.732 IN DELTA? WHAT IS REASON BEHIND IT?
Hi, Next week Iam appearing RRB exam for section engineer. So help me to get modal question papers for this position. Iam very thankful to you. Whether question will be fully techanical format or general form. Please give me a details regarding this exam.
anyone knows service engineer in chennai for EDM SPARKING MACHINE.CHMER PULSE CD 60 M.pL GIVE ANY CONTACT NOS
what is earth-fault?when it occurs? to check where it occurs what type of test should we do?
how to Select its CORE in electrical cables based on its applications? or Application of various types of electrical cable based on it CORE?
what is zinc diffusion?
how to conduct dc resistance test for rotor of an alternator and how to measure the rotor dc resistance value theoritically?
What is the difference between single core 2 wire and single core 3 wire system? Which application we are using this? and for What purpose we are using this?
model question paper for supervisor trainee
High speed earth switch operation with diagram
what happens if earth of 33kv cable is not connected to earthing pits? please send this query's answer to ngrm.sudha249@gmail.com
explain different types of d.c motors?
How to control motor gearbox speed and friquency? If length of cable and dia given, how to measure the voltage drop?
1- XC and the RC time constant are both measures of the reaction of C to a change in ____? 2-The power factor is a numerical ratio with a value between 0 and 1 equal to the ______________ of the phase angle. 3-When V and I are out of phase because of reactance, the product of V times I is called ______________ power 4-For _____________ inductors, the branch currents can be added algebraically. 5- The ______________ power in watts can be calculated as I^2R 6-Calculate XL with L = 30mH and f = 1kHz ( I have Xl=2piFL 2*3.141592653*1kHz*30mH =188 ohms Please check) 7-A parallel RL circuit has the values, R = 5kohms, XL = 5kohms. A voltage source of Vt = 10Vrms is connected in parallel to R and L. Determine the total current, It delivered by the voltage source Vt. 8-A series RC circuit has R = 1Mohm and C = 1microF. How long would it take for the capacitor to fully discharge if it is initially fully charged? 9-A circuit has real power = 300W and an apparent power of 500VA. Determine the power factor and phase angle. 10-The time constant for an LR series circuit is T = 0.1s and R = 10ohms. Calculate the inductance L.
