SP212/3321&5521
Chapter 25 - Worksheet #1
Question 1: A parallel plate capacitor consists of two circular plates, each with radius R=0.65 cm,
separated by a distance of d=0.25 cm. How much charge does this capacitor hold if a potential
difference of 15 V is applied across it?
Question 2: A parallel plate capacitor consists of two square plates, each 0.035 m long each side,
separated by a distance of d=0.0075 m. The maximum electric field that can exist between the two
plates before the air breaks down has a magnitude Emax = 3.0 × 106 N/C. What is the maximum
potential difference that can be applied across the capacitor? What is the maximum charge than
can be held by the capacitor?
Question 3: As shown in the figure below, three capacitors are connected to an 9.0 V battery. (a)
What is the equivalent capacitance of the three capacitors? (b) How much charge is stored on the
3.0 µF capacitor?
3.0 µF
6.0 µF
1.0 µF
9.0 V