A $6\mathrm{.}75$ pF capacitor has $1\mathrm{.}50$ mm of space between its parallel plates. a$)$ What is the maximum electric

charge that can be placed on the plates if the dielectric strength is the same as that of air? b$)$ If a dielectric

with k $=2\mathrm{.}70$ is used, what will be the new maximum charge on the plates? The dielectric strength remains

equal to that of air.