3. Consider the circuit in the diagram. The two capacitors are identical parallel plate capacitors with plates of radius 10.0 cm and plate separation of 0.400 cm. The resistances are: R,= 20.0 Q, R2= 60.0 Q, and R3 = 50.0 Q. The emf of the ideal battery is 12.0 V. The switch is first closed in position a for a long time. Then at time t = 0 it is thrown from position a to position b.

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3. Consider the circuit in the diagram. The two capacitors are identical parallel plate capacitors
with plates of radius 10.0 cm and plate separation of 0.400 cm. The resistances are: R,= 20.0
Q, R2= 60.0 Q, and R3 = 50.0 Q . The emf of the ideal battery is 12.0 V. The switch is first closed
in position a for a long time. Then at time t = 0 it is thrown from position a to position b.
a) Find the maximum current through resistor R3 during the discharging phase (when S is in
position b).
b) Find the voltage across capacitor C2 at time t = 2.0 ns and the energy stored on the capacitor
at the same instant
Transcribed Image Text:3. Consider the circuit in the diagram. The two capacitors are identical parallel plate capacitors with plates of radius 10.0 cm and plate separation of 0.400 cm. The resistances are: R,= 20.0 Q, R2= 60.0 Q, and R3 = 50.0 Q . The emf of the ideal battery is 12.0 V. The switch is first closed in position a for a long time. Then at time t = 0 it is thrown from position a to position b. a) Find the maximum current through resistor R3 during the discharging phase (when S is in position b). b) Find the voltage across capacitor C2 at time t = 2.0 ns and the energy stored on the capacitor at the same instant
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