In a magnetic field of 0.05T, area of a coil changes from \[101\,c{{m}^{2}}\] to \[100\,c{{m}^{2}}\] without changing the resistance which is 2W. The amount of charge that flow during this period is [Orissa PMT 2005]

• A.            \[2.5\times {{10}^{-6}}\]coulomb                                   
• B.            \[2\times {{10}^{-6}}\]coulomb
• C.            \[{{10}^{-6}}\]coulomb    
• D.            \[8\times {{10}^{-6}}\]coulomb