Answers

2016-04-25T22:10:19+05:30
Resistance decreases as the area for it to travel is more and less obstacles  
0
2016-04-26T07:39:19+05:30
Since by Ohm,s law V=IR so we have R=V/I it,s clear by increasing current the value of resistance is decrease .the resistance will 2 times
0