A $0\mathrm{.}220$A current is charging a capacitor that has circular plates $15\mathrm{.}6$ cm in radius. The plate separation is $4\mathrm{.}00$ mm$.($a$)$ What is the time rate of increase of electric field between the plates? V$/($m$$s$)($b$)$ What is the magnetic field between the plates $5\mathrm{.}00$ cm from the center? T