Electricity Quiz - Yr 11 Physics

- 1. 5.5kΩ is equivalent to:
A) 5500Ω B) 0.005kΩ C) 55Ω D) 550kΩ - 2. Which is the correct statement of Ohm's Law?
A) I = R/V B) V = IR C) V = R/I 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) 500 V C) 0.20 V D) 60 V - 4. A 9-V battery is hooked up to a 3-Ω resistor. What current is flowing through this circuit?
A) 27 A B) 3 A C) 12 A D) 0.3A - 5. This is an example of a _______ circuit
A) square B) series C) parallel D) open - 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) 0.5 W B) 2 W C) 15 W D) 50 W - 8. The total resistance of the following resistor combination is:
A) 1360Ω B) 920Ω C) 680Ω D) 340Ω - 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) 4.5 volts B) 6 volts C) 3 volts D) 9 volts - 11. The total current flowing through this circuit is:
A) 0.01 A B) 1mA C) 100mA D) 1 A - 12. What is the current through a 11V bulb with a power of 99W?
A) 60 A B) 0.5 A C) 9 A D) 110 A - 13. The potential difference across a 5 kΩ is 12 V. Find the current flowing through the resistor.
A) 60 mA B) 0.998 mA C) 1.77 mA D) 2.4 mA - 14. If I1 = 50 mA, R1 = 50 kΩ, then V1 = __:
A) 5 kV B) 1 kV C) 2.5 kV D) 10 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) 2.5 A C) 2 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) 4.52 A B) 1.72 A C) 2.88 A D) 3.66 A - 17. The following symbol represents a:
A) Thermistor B) Resistor C) Light-Dependent Resistor D) Capacitor - 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) Temperature B) Light Intensity C) Sound Level D) Voltage - 20. 2 Coulombs of charge flows through a wire in 4 seconds. What is the current?
A) 2 A B) 6 A C) 8 A D) 0.5 A |

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