Selected MCQ

Current Question
Which device measures electric power?
  • A. Voltmeter
  • B. Ammeter
  • C. Wattmeter
  • D. Ohmmeter
Correct Answer: C
Explanation:
Wattmeter measures power.
Related Question 1
Which device measures resistance?
  • A. Ammeter
  • B. Voltmeter
  • C. Ohmmeter
  • D. Thermometer
Correct Answer: C
Explanation:
Ohmmeter measures resistance.
Related Question 2
Which device measures voltage?
  • A. Ammeter
  • B. Voltmeter
  • C. Thermometer
  • D. Barometer
Correct Answer: B
Explanation:
Voltmeter measures potential difference.
Related Question 3
Which unit measures power?
  • A. Joule
  • B. Watt
  • C. Newton
  • D. Pascal
Correct Answer: B
Explanation:
Watt = energy per unit time.
Related Question 4
Which device measures current?
  • A. Voltmeter
  • B. Ammeter
  • C. Barometer
  • D. Thermometer
Correct Answer: B
Explanation:
Ammeter measures current.
Related Question 5
Which device measures pressure?
  • A. Thermometer
  • B. Barometer
  • C. Voltmeter
  • D. Ammeter
Correct Answer: B
Explanation:
Barometer measures atmospheric pressure.