what is resistor

Answer Posted / uma

it resists the flow of current through a conductor.ie it
has internal resistance which opposes flow of current.
resistance R =voltage/current. unit is ohm

Is This Answer Correct ?    1 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

what is the role and fuction of automatic transfer switch in rotary ups

1442


What are factors to be considered while we selecting the Core Balance Current Transformer for Earth fault protection

1433


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.

1855


A commercial Building is designed with 14th floor levels with indoor substation of three phase transformer with rated capacity of 1000 Kva.The transformer delivered 65% of its rated capacity at 0.67 power factor lagging.Because of low power factor, the power customer was penalized and certain cost was charged accordingly based on every point percentage lower than 85%.This situation may repeatedly happen on the succeding energy bills of power customer.The power customer is desired to improve its historical power factor of 0.67 lagging and no further penalty be impose by the local power company on the next bill. Q: Identify the appropriate solution you want to offer to Client?.Justify SCIENTIFICALLY and MATHEMATICALLY the principles behind the solution.

1342


Starting times for soft starter & power factor is thier any standard or datas available in manufactures list. Kindly suggest.

1467






Why the standard of ambient teperature mentioned as 40 degree celcius in machines.

1455


How could I get a certificate of competency as Electrical Supervisor? I have completed By BTech in Electrical this year(2012) for VJTI Mumbai Maharashtra. Is it compulsory to be produced while joining?

3012


What is the difference between shortcircuit current, rated current of cable & MCB with example? What will be the size of cable required for 5.5 KW motor (Full load current 10 Amps approx.), Starting current with DOL is 120 Amps. Aprrox. Short circuit current with LLLG fault is 2000 Amps Approx.

1587


What is routh hurwitz stability criterion?

653


Can we use BS 6651 and BS EN 62305 standards for computer room lightning ptotection in substation?

1746


Explain how you intend to work under pressure to meet up with deadline target?

1934


Fantio of tranformer

1747


what are the difference between AC lamp and DC lamp

1681


What is power distribution criteria for converting single phase unbalanced residential load to 3 phase star connected balance system. Does total KW converted to 3 Phase. Means Divided by root 3.

1845


what is RNG in the DG synchronizing by PLC?

1627