Discussion
Home ‣ Electrical Engineering ‣ Voltage, Current and Resistance Comments
- Question
When placed close together, two positively charged materials will
Options- A. attract
- B. become neutral
- C. become negative
- D. repel
- Correct Answer
- repel
- 1. A wiper is the sliding contact in a
Options- A. switch
- B. photoconductive cell
- C. thermistor
- D. potentiometer Discuss
- 2. If there is 6 A of current through the filament of a lamp, how many coulombs of charge move through the filament in 1.75 s?
Options- A. 10.5 C
- B. 105 C
- C. 3.4 C
- D. 34 C Discuss
- 3. Electrons in the outer orbit are called
Options- A. nuclei
- B. valences
- C. waves
- D. shells Discuss
- 4. A thermistor is a type of
Options- A. switch
- B. resistor
- C. battery
- D. power supply Discuss
- 5. An ammeter is an electrical instrument used to measure
Options- A. current
- B. voltage
- C. resistance
- D. none of the above Discuss
- 6. An ohmmeter is an instrument for measuring
Options- A. current
- B. voltage
- C. resistance
- D. wattage Discuss
- 7. The unit of electrical charge is the
Options- A. volt
- B. ampere
- C. joule
- D. coulomb Discuss
- 8. If you used 600 W of power for 60 h, you have used
Options- A. 36 kWh
- B. 3.6 kWh
- C. 10 kWh
- D. 1 kWh Discuss
- 9. If you used 400 W of power for 30 h, you have used
Options- A. 1.3 kWh
- B. 13.3 kWh
- C. 1.2 kWh
- D. 12 kWh Discuss
- 10. A 220 Ω resistor dissipates 3 W. The voltage is
Options- A. 73.3 V
- B. 2.5 V
- C. 25.7 V
- D. 257 V Discuss
Voltage, Current and Resistance problems
Search Results
Correct Answer: potentiometer
Correct Answer: 10.5 C
Correct Answer: valences
Correct Answer: resistor
Correct Answer: current
Correct Answer: resistance
Correct Answer: coulomb
Correct Answer: 36 kWh
Correct Answer: 12 kWh
Correct Answer: 25.7 V
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