the auestion asked in iit 2011 regarding magneticlines of for ce and electrical lines of force is nothing but rediculous if u are considering non conservative fields then i and 2 are also can be considereed correct bcos in robinson ssingle pole method experiment that assumption holds good it is poor qulitywhats others opnion/ in un onservative fields thesre is a posssibility of 4thoption slso

siv ram , 13 Years ago

Grade 12th pass