Series & Parallel Circuit Practice Problems
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Series & Parallel Circuit Practice Problems 1. What quantity is always the same for resistors in series with each other? Explain. 2. What quantity is always the same for resistors in parallel with each other? Explain. 3. Are the voltages across resistors in series generally the same? If not, are there special cases where they could be the same? Explain. 4. Are the currents through parallel resistors generally the same? If not, are there special cases where they could be the same? Explain. 5. Three resistors that are rated at 5 , 2 and 1 are connected in series to a battery. Which gets the most power and why? (Draw a circuit diagram) 6. Three resistors that are rated at 5 , 2 and 1 are connected in parallel to a battery. Which gets the most power and why? (Draw a circuit diagram) 7. What is the equivalent resistance for the resistors in this diagram?
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Series & Parallel Circuit Practice Problems
Transcript of Series & Parallel Circuit Practice Problems
Series & Parallel Circuit Practice Problems
1. What quantity is always the same for resistors in series with each other? Explain.
2. What quantity is always the same for resistors in parallel with each other? Explain.
3. Are the voltages across resistors in series generally the same? If not, are there special cases where they
could be the same? Explain.
4. Are the currents through parallel resistors generally the same? If not, are there special cases where they
could be the same? Explain.
5. Three resistors that are rated at 5 , 2 and 1 are connected in series to a battery. Which gets the most
power and why? (Draw a circuit diagram)
6. Three resistors that are rated at 5 , 2 and 1 are connected in parallel to a battery. Which gets the most
power and why? (Draw a circuit diagram)
7. What is the equivalent resistance for the resistors in this diagram?
8. What is the equivalent resistance between points A and B in this diagram?
9. Find the equivalent resistance for the arrangement
of resistors shown in this diagram?
10. Use three 50 W resistors and a 120 V source in a circuit in any arrangement.
a) What is the maximum power for the circuit? Sketch the arrangement.
b) What is the minimum power for the circuit? Sketch the arrangement.
A B
R1 = 6.0
R3 = 6.0
R2 =
6.0
R4 = 10.0
R2 = 20
R4 = 5.0
R3 =
5.0
R1 =
10
11. Find the current through and the voltage across the 10 resistor in the circuit shown here.
12. For the circuit shown here, find a) the current through
each resistor, b) the voltage across each resistor and c) the
power dissipated by each resistor.
13. For the circuit shown here, find the current through
each resistor and the voltage across each resistor.
R1 = 10
R2 = 2.0
R3 = 5.0
10 V
R2 = 20
20 V
R3 =
6.0
R1 = 20
10 V
R1 = 10 R2 = 5.0
R5 = 5.0 R4 = 20
R3 = 10
14. What is the total power dissipated in the circuit shown here?
15. What is the equivalent resistance of the arrangement of resistors shown here?
16. Find the current in each of the resistors in the circuit depicted here.
R3 = 4.0
12 V
R4 =
6.0
R1 = 2.0 R2
=
2.
0
2.0
24 V
6.0
12
10 4
.0
5.0
10
8.0
4.0
10
5.0
3.0
2.0
6.0 5.0
