Q$16$: A uniform electric field exists between two parallel metal plates $2\mathrm{.}0$ cm apart. The magnitude of the electric field is $15k\frac{N}{C}.$ What is the potential difference between the plates?

a$)0\mathrm{.}30$ kV

b$)0\mathrm{.}75$ kV

c$)30$ kV

d$)$ None of the above

Q$17$: A point charge of value $5C$ is located at the origin, and a second point charge of value $-4C$ is located at the