6 Answers
Little Angel
·2009-09-28 08:33:57
See clearly
All the resistances are in parallel
So, 1 / Req = 1/6 + 1/6 + 1/12 + 1/2
Lokesh Verma
·2009-09-28 23:10:38
See carefully, htere is a balanced wheatstone bridge.. :)
Dont read: :P :D so 6x9/15+12 = 15.6 is what i am getting :)