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Moderate

Energy to Charge a Capacitor

APPH12-HQZIX1

During Process 1 a capacitor is charged from zero to 100 micro-coulombs by applying a potential difference of 20 volts. During Process 2 the same capacitor is charged from 100 micro-coulombs to 200 micro-coulombs by increasing the potential difference from 20 to 40 volts.

Which of the following statements are true?

Select TWO answers.

A

The capacitance equals 0.2 micro-farads.

B

The capacitance equals 5 micro-farads.

C

Process 1 added more energy to the capacitor than Process 2.

D

Process 2 added more energy to the capacitor than Process 1.