How to convert resistance value at 20 degree to 90 degree?

Answer Posted / sanjeet swarnakar

Ro -resistance at o degre centigrade
Rt -resistance at t degre centigrade
we have formula
Rt = Ro(1+alpha t)
here alpha is cofficient of resistivity

Is This Answer Correct ?    14 Yes 0 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

hello if any one have papers vof hpcl or sail, plz send me

1427


Explain in brief description about the operation of DG sets.

1878


when we design electrical schemes of 11/.415kv distribution..wen and were should we show the relays??what is the function of it?for example..we place EFR Relay CT between transformer neutral link and transformer earth.Like this what are the other type of relays we should use?why?where?Explain please..Thank you

1378


For RCD (Residual current device) Icu is defined. How i can find Ics for them?

1599


HOW WE CHOOSE EARTH'S POTENTIAL AS ZERO V?

1601






draw vector diagram and +ve,zero sequence diagram of symmetrical three phase fault.

1489


Why it is necessary to isolate fire fighting when you are taking shutdown for lv board.

1186


How to detect voltage vector shifting in interconnection protection.

1462


What is the method to solve circuit using source transformation?

658


In both 600/1000 V cable and 450/750 V cable, we can supply 415 V. However for distribution, all utilities are using only 600/100 V instead of 450/750 V. What is the reason?

1485


what should be the no load current for 3 phase ac motors ranging from 5 kw to 1000kw?

1377


How a capacitor discharge weld power supply works? what is the use of a pulse transformer?

1573


what is the standard duration after failure EB power

1347


Describe the colour rendering properties of i) tungsten filament lamps ii) tubular fluorescent lamp

2621


why you don not show protection and type of isolation in key single line diagram?

1484