- 1. 5.5kΩ is equivalent to:
A) 0.005kΩ
B) 55Ω
C) 550kΩ
D) 5500Ω
- 2. Which is the correct statement of Ohm's Law?
A) V = IR
B) V = R/I
C) I = R/V
D) R = IV
- 3. When a current of 10.0 A flows through a 50.0-Ω resistor in a circuit, what is the voltage of that circuit?
A) 5 V
B) 60 V
C) 0.20 V
D) 500 V
- 4. A 9-V battery is hooked up to a 3-Ω resistor. What current is flowing through this circuit?
A) 0.3A
B) 12 A
C) 27 A
D) 3 A
- 5. This is an example of a _______ circuit
A) square
B) open
C) series
D) parallel
- 6. This is an example of a ______ circuit
A) ladder
B) open
C) parallel
D) series
- 7. What is the power of a 10V bulb with 5A through it?
A) 50 W
B) 0.5 W
C) 15 W
D) 2 W
- 8. The total resistance of the following resistor combination is:
A) 680Ω
B) 340Ω
C) 1360Ω
D) 920Ω
- 9. The total resistance of the following resistor combination is:
A) 9000Ω
B) 250Ω
C) 450Ω
D) 900Ω
- 10. The voltage Vout of the voltage divider circuit is:
A) 6 volts
B) 3 volts
C) 9 volts
D) 4.5 volts
- 11. The total current flowing through this circuit is:
A) 0.01 A
B) 1 A
C) 100mA
D) 1mA
- 12. What is the current through a 11V bulb with a power of 99W?
A) 110 A
B) 9 A
C) 0.5 A
D) 60 A
- 13. The potential difference across a 5 kΩ is 12 V. Find the current flowing through the resistor.
A) 0.998 mA
B) 60 mA
C) 1.77 mA
D) 2.4 mA
- 14. If I1 = 50 mA, R1 = 50 kΩ, then V1 = __:
A) 1 kV
B) 2.5 kV
C) 10 kV
D) 5 kV
- 15. Two resistors having values 5 ohms and 10 ohms are connected in series to a 10 V source. Find the current flowing through the circuit:
A) 2 A
B) 2.5 A
C) 1.5 A
D) 0.66 A
- 16. Two parallel resistors both having their values 50 and 60 ohms are connected in parallel. The overall current provided by the 100 V source is:
A) 2.88 A
B) 3.66 A
C) 4.52 A
D) 1.72 A
- 17. The following symbol represents a:
A) Resistor
B) Light-Dependent Resistor
C) Capacitor
D) Thermistor
- 18. An electric heater element dissipates 2.4 MJ (megajoules) in 2 minutes. The power dissipated in the element is:
A) 200 W
B) 20000 W
C) 2000 W
D) 1.2 W
- 19. A Thermistor is a type of resistor whose resistance varies with:
A) Light Intensity
B) Sound Level
C) Voltage
D) Temperature
- 20. 2 Coulombs of charge flows through a wire in 4 seconds. What is the current?
A) 6 A
B) 8 A
C) 2 A
D) 0.5 A
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