I have a doubt with the key in physics Paper 2, in jee 2010. Filaments with powers 100w. 60w and 40w are provided.Then the relation between their resistances is 1/R100  >  1/R60 >  1/R40.AGREED.But Y cant it be 1/R100 =  1/R60  +   1/R40?

3 years ago


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