Question

1. For a spherical capacitor, if the radius of the outer plate is very large in comparison to the radius of the inner plate, the capacitance equation (essentially) is: (a) C = A/k (b) C = B/k (c) C = A/kB (d) C = B/Ak

2. Find the total energy stored in the capacitors of the circuit shown below. Each capacitor is 20 μF and the battery is 100 v.

(a) 0.01 J

(b) 0.001 J

(c) 1.0 J

(d) 0.1 J

3. What is the voltage across any of the four capacitors in question #2?

(a) 20 v

(b) 50 v

(c) 25 v

(d) 100 v

Answer 1

mie spheui YA-Te 2o 120 に 」

ем Sanne Uo the c o pan amant in sevies erce