Practice Problems
Resistors and Capacitors
Directions:
On this worksheet you will review the formulas and relationships for capacitors wired in series and in parallel and well as capacitors in DC circuits.
omit
Question 1
In the circuit shown below, the values for each capacitor are:
C
_{1}
= 6 µF C
_{2}
= 5 µF C
_{3}
= 11 µF;
Based on these values, what would be the total capacitance of this combination?
This diagram is only referenced in Questions 1-4.
2.2 µF
9.44 µF
22.0 µF
4.36 µF
omit
Question 2
What is the charge on each plate of capacitor C
_{1}
if the emf of the battery is 10 volts?
43.6 µC
14.5 µC
2.29 µC
60.0 µC
omit
Question 3
What is the voltage drop across capacitor C
_{3}
?
3.3 volts
3.6 volts
7.3 volts
2.7 volts
omit
Question 4
What is the charge on capacitor C
_{2}
?
2.00 µC
30.0 µC
13.6 µC
14.5 µC
omit
Question 5
What would be the capacitance of a parallel plate capacitor where each plate has an area of 25 cm
^{2}
and the plates are separated by 2 mm?
4.43 x 10
^{-10}
F
7.08 x 10
^{-12}
F
1.11 x 10
^{-11}
F
5.53 x 10
^{-11}
F
omit
Question 6
If the capacitor in Question #5 were to be charged by a 10-V battery, how much energy would be stored in the electric field between the capacitor's plates?
5.53 x 10
^{-10}
Joules
1.11 x 10
^{-10}
Joules
3.54 x 10
^{-10}
Joules
2.77 x 10
^{-9}
Joules
omit
Question 7
In the circuit shown below, R
_{1}
has a resistance of 500 ohms, R
_{2}
has a resistance of 1100 ohms, and the battery has an emf of 10 volts. What would be the voltage lost across R
_{1}
when steady state currents have been achieved?
5.00 volts
10.0 volts
4.55 volts
3.13 volts
omit
Question 8
If the capacitor has a capacitance equal to 6 µF, how muc charge would be stored on its plates when steady-state conditions have been reached?
18.8 µC
the charge cannot be determined
41.3 µC
60.0 µC
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