Magnetic Vector Potential:1ˆ( ) (xy)=A ryGiven a vector potential field configuration,1ˆ( ) (xy)=A ryGiven a vector potential field configuration,()Bra) Calculate the magnetic field, ()Bra) Calculate the magnetic field, 1()Arb)Calculate 1()Arb) Calculate 2( ) 0=Ar()Br2()Arc)Construct a vector potential,, that produces the same , as in (a), but satisfies.2( ) 0=Ar()Br2()Arc) Construct a vector potential,, that produces the same , as in (a), but satisfies.()Br2()Ard)Show by direct calculation that produces the same as in part (a).()Br2()Ard) Show by direct calculation that produces the same as in part (a)