Use the relationship between capacitor physical characteristics and a fully charged RC circuit to perform calculations involving charge moved and energy stored in capacitors in parallel.
Identical 50 μf capacitors are arranged in the 6 different setups below. Determine the overall capacitance of each setup.
Setup A Capacitance
μf
Setup B Capacitance
Setup C Capacitance
Setup D Capacitance
Setup E Capacitance
Setup F Capacitance
Two capacitors in parallel are charged up by a 14 Volt source as shown at right. C1 is 50 μf and C2 is 80 μf.
What is the total capacitance of the 2-capacitor setup?
Capacitance
µf
What is the total energy stored in the 2-capacitor setup?
Energy
milliJoules
What is the charge Q in C1?
Charge
µC
What is the charge Q in C2?
What is the total charge provided by the Voltage Source?
Total Charge
What is the voltage drop across C1?
Voltage
Volts
What is the voltage drop across C2?
How much energy is stored in C1?
How much energy is stored in C2?
Two capacitors in parallel are charged up by a 12 Volt source as shown at right. C1 is 40 μf and Q2 is equal to 660 μC.
What is the total capacitance?
Total Capacitance
What is the capacitance of C2?
How much total energy is stored in the 2-capacitor setup?
Total Energy
Two capacitors in parallel are charged up by a Voltage Source as shown at right. C1 contains 880 μC and C2 contains 1540 μC of charge. The total energy stored in the circuit is 26.62 milliJoules.
What is the total charge contained in the circuit?
What is the total capacitance of the 2-capacitor circuit?
What is the voltage of the Voltage Source?
Source Voltage
What is the capacitance of C1?
Two capacitors in parallel are charged up by a Voltage Source as shown at right. The total capacitance of the circuit is 110 μf, the energy stored in C1 is 11.52 milliJoules, and the total energy stored in the circuit is 31.68 milliJoules.
Voltage Source
Two capacitors in parallel are charged up by a Voltage Source as shown at right. The total capacitance of the circuit is 130 µf, the charge contained in C1 is 420 µC and the total charge contained in the circuit is 1820 µC.
What is the charge Q contained in C2?
How much energy is stored in the 2-capacitor circuit?
Two capacitors in parallel are charged up by a Voltage Source as shown at right. C1 stores 3.63 milliJoules and C2 stores 22.99 milliJoules of energy. The total charge contained in the circuit is 2420 µC.
How much charge is stored in C1?
How much charge is stored in C2?