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Name _________________________________________
Physics CP
Date ____________
Per _____________
Circuits Test Review
1. What is the symbol for a resistor?
2. What is the symbol for a battery?
3. What is the equation for Ohms Law?
4. Define Electrical Current.
5. What are the units for resistance?
6. What are the units for Voltage?
7. What are the units for Current?
8.
A 12 V battery is connected to a buzzer with a resistance of 4 Ohms. Find the
current through the buzzer when it is buzzing.
9.
An electric bell is connected to a 6.0 V battery. When the bell is turned on, a
current of 2A is measured to flow through it. Find the resistance of the bell.
10. What defines a parallel circuit as such?
11. What defines a series circuit as such?
12. What is the relationship for the current that flows through resistors connected in
series to each other?
13. What is the relationship for the voltage drops across each resistor connected in
series?
14. What is the relationship for the voltage drops across each resistor connected in
parallel?
15. What is the relationship for the current that flows through resistors connected in
parallel?
16. Draw schematic for the following circuits.
a. A 4 V battery is connected to two 10 Ohm resistors connected in series.
b. A 7 V battery is connected to three 40 Ohm lamps connected in series.
c. A 12 V battery is connected to two 15 Ohm resistors connected in parallel.
d. A 24 V battery is connected to three 35 Ohm resistors connected in
parallel.
17. Complete the tables for the following circuits below.
a. Find the V, I, R and P values (total, A, B, C) for the following circuit.
Resistor
voltage
current
Resistance
Power
total (source,
equivalent)
A
B
C
A
100
120V
B
40 Ω
A
C
10 Ω
b. Find the V, I, R and P values (total, A, B, C) for the following circuit.
Resistor
voltage
current
Resistance
Power
total (source,
equivalent)
A
B
C
A
70 V
B
15 Ω
A
14 Ω
c. Find the V, I, R and P values (total, A, B, C) for the following circuit.
Resistor
voltage
current
Resistance
Power
total (source,
equivalent)
A
B
A
100
120V
B
40 Ω
A
C
21 Ω
d. Find the V, I, R and P values (total, A, B, C) for the following circuit.
Resistor
voltage
current
Resistance
Power
total (source,
equivalent)
A
B
A
70 V
A
11 Ω
B
4.7 Ω
21. Explain how to analyze a compound circuit.
22. Find the equivalent resistance, voltage drop for each resistor and the current flow
through each resistor in the following circuit.
23. Find the equivalent resistance, voltage drop for each resistor and the current flow
through each resistor in the following circuit.