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