I'm very new to decomposing vectors so I'm a little lost with this problem. Any help is appreciated, thank you!

The field between two charged parallel plates is kept constant. if the two plates are brought closer together, the potential difference between the two plates either a) decrease b) does not change c) increase?

Atorque acting on an object tends to produce a. equilibrium b. rotation c. linear motion d. velocity e. a center of gravity

First to answer will be the brainliest i need the answer asap