Question

A square parallel-plate capacitor 5.30 cm on a side has a 0.500 mm gap. What is the displacement current in the capacitor if the potential difference across the capacitor is increasing at 500,000 V/s?

Answer 1

Here's a similar problem, #2. The answer is in blue underneath:
http://solar.njit.edu/~cdenker/physics121h_quiz12.pdf