7/28/2016 10:41 PM  
Joined: 4/10/2016 Last visit: 10/26/2018 Posts: 64 Rating: (0) 

8/3/2016 5:51 AM  
Joined: 4/23/2010 Last visit: 1/17/2020 Posts: 5653 Rating: (440) 
Hello, Temp of any conductor t = I^2 * R. i.e. temp rise is equal to square the current passing thru conductor multiplied by resistance. Hence Resistance is inversely proportional to square of current passing thru conductor. So if the current increases, temp of conductor increases & resistance decreases. HTH. 
8/3/2016 9:28 PM  
Joined: 4/10/2016 Last visit: 10/26/2018 Posts: 64 Rating: (0) 
In this formula that you mentioned temp has direct relation with resistance . so when temp increase , resistance increase too . am I right ! 
8/3/2016 10:26 PM  
Joined: 4/10/2016 Last visit: 10/26/2018 Posts: 64 Rating: (0) 
I think this formula is better for calculating Resistance of conductors . R=r L/A R is the resistance of the conductor in Ohms A is the cross sectional area in m^{2} L is the length of the wire in meters r is the resistivity of the material in Ohm(meters) Also U can check this link 
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