Relation between Sq.mm of wire and Its current carrying
capacity?

Answer Posted / premnath

c = l/(r*a)
c = electrical conductivity
l = length of wire
r = resistance of wire
a = cross sectional area of wire

Is This Answer Correct ?    11 Yes 2 No



Post New Answer       View All Answers


Please Help Members By Posting Answers For Below Questions

i m doing DEEE in part time,can i join regular cources in BE,,IF i join what the cources can i select like (civil,ece,IT) ,,kindly advice

1633


Give the expression for the frequency of oscillations in an op-amp sine wave oscillator?

644


why we can stote dc? why we cant store ac?

1616


what is mind in cable

1569


clarify types of motor operated valves and advantages

1466






what is destructive and non-destructive testing of welding

1212


In hydel power plants, L.A's, S.C's are placed inside the control panel boards. what is the purpose? [already the total body was earthed to ground.]

1446


We have 90mX100m hangar with 16 no.of supporting pillar. It is required to provide power supply on all pillars. what is suggested earthing scheme for hangars.

1603


why it is so called as xlpe(cross linked poly ethyline) cable?

1607


As an electrical engineer what are the responsibilities which i can hold in TCS?

1713


On 400 amp factory load how kvarh capacitors provide

1292


we specify current in case of feeder but in case of distributor voltage, why?

1377


impliment (AB)`+C to transistor representation

1332


a governer in an Ic engine controls the

696


what is cogging and crawling

2013