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Nilanjan Bhowmick AIR 3, CSIR NET (Earth Science)
Monika verma 1 Best Answer
see the attachment
mam answer -4v aa raha h
value of Rf is not given ...may be by mistakly ...
if ans is given -4 then value of Rf should be 2 ohm
mam RF ki value 2 kaise ayi
jabki diya gya nhi h
may b printing mistake h question main