A parallel$-$plate, air$-$filled capacitor is being charged as in $($Figure $1).$ The circular plates have radius $3\mathrm{.}50$ cm $,$ and at a particular instant, the conduction current in the wires is $0\mathrm{.}720$ A $.$

Part A

What is the displacement current density $j_D$ in the air space between the plates?

Express your answer with the appropriate units.

$j_D=$

$$

$q,$ Request Answer

Part B

What is the rate at which the electric field between the plates is changing?

$$

Request Answer

Part C

What is the induced magnetic field between the plates at a distance of $2\mathrm{.}00$ cm from the axis? Express your answer with the appropriate units.

Figure

$1$ of $1$