Problem $10\mathrm{.}11($a$)$ Suppose the wire in Ex$.10\mathrm{.}2$ carries a linearly increasing current I $($t$)=$ kt$,$ for t $>0.$ Find the electric and magnetic fields generated. $($b$)$ Do the same for the case of a sudden burst of current: I $($t$)=$ q$0$$($t$).$