Selected MCQ

Current Question
Which law relates voltage and current?
  • A. Faraday’s
  • B. Ohm’s
  • C. Newton’s
  • D. Coulomb’s
Correct Answer: B
Explanation:
V = IR.
Related Question 1
Which ocean current is cold?
  • A. Gulf Stream
  • B. Kuroshio
  • C. Canary
  • D. Brazil
Correct Answer: C
Explanation:
Canary current is cold.
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 device measures current?
  • A. Voltmeter
  • B. Ammeter
  • C. Barometer
  • D. Thermometer
Correct Answer: B
Explanation:
Ammeter measures current.
Related Question 4
Which law relates heat and temperature?
  • A. Boyle
  • B. Newton cooling
  • C. Ohm
  • D. Coulomb
Correct Answer: B
Explanation:
Cooling rate proportional to temp difference.
Related Question 5
Which current is cold?
  • A. Gulf Stream
  • B. Kuroshio
  • C. Humboldt
  • D. Agulhas
Correct Answer: C
Explanation:
Humboldt current is cold.