Electricity Quiz - Yr 11 Physics
  • 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) V = IR
C) R = IV
D) I = R/V
  • 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) 0.20 V
C) 60 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) 27 A
C) 12 A
D) 3 A
  • 5. This is an example of a _______ circuit
A) series
B) parallel
C) open
D) square
  • 6. This is an example of a ______ circuit
A) open
B) ladder
C) parallel
D) series
  • 7. What is the power of a 10V bulb with 5A through it?
A) 15 W
B) 50 W
C) 0.5 W
D) 2 W
  • 8. The total resistance of the following resistor combination is:
A) 920Ω
B) 340Ω
C) 1360Ω
D) 680Ω
  • 9. The total resistance of the following resistor combination is:
A) 9000Ω
B) 900Ω
C) 250Ω
D) 450Ω
  • 10. The voltage Vout of the voltage divider circuit is:
A) 9 volts
B) 6 volts
C) 3 volts
D) 4.5 volts
  • 11. The total current flowing through this circuit is:
A) 1 A
B) 0.01 A
C) 100mA
D) 1mA
  • 12. What is the current through a 11V bulb with a power of 99W?
A) 0.5 A
B) 110 A
C) 60 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) 0.998 mA
C) 60 mA
D) 1.77 mA
  • 14. If I1 = 50 mA, R1 = 50 kΩ, then V1 = __:
A) 10 kV
B) 2.5 kV
C) 1 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) 0.66 A
B) 2 A
C) 2.5 A
D) 1.5 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) 4.52 A
D) 3.66 A
  • 17. The following symbol represents a:
A) Capacitor
B) Light-Dependent Resistor
C) Resistor
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) 1.2 W
C) 20000 W
D) 2000 W
  • 19. A Thermistor is a type of resistor whose resistance varies with:
A) Light Intensity
B) Temperature
C) Voltage
D) Sound Level
  • 20. 2 Coulombs of charge flows through a wire in 4 seconds. What is the current?
A) 8 A
B) 6 A
C) 0.5 A
D) 2 A
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