Jan 4, 2016 #1 W wescose Newbie level 2 Joined Jan 4, 2016 Messages 2 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 19 how does increasing the contacts reduces resistance?? Last edited by a moderator: Jan 4, 2016
Jan 4, 2016 #2 erikl Super Moderator Staff member Joined Sep 9, 2008 Messages 8,108 Helped 2,695 Reputation 5,370 Reaction score 2,305 Trophy points 1,393 Location Germany Activity points 44,123 In a first approximation, contact-resistance is in inverse proportion to the contact-area.
Jan 19, 2016 #3 K kiran_lck Newbie level 3 Joined Jan 19, 2016 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1 Activity points 17 If you increase the number of contacts in metal wire it will creates the parallel connection then resistance becomes low. Because using resistors in Parallel connection it will reduces the Resistance That's all.
If you increase the number of contacts in metal wire it will creates the parallel connection then resistance becomes low. Because using resistors in Parallel connection it will reduces the Resistance That's all.