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  • Question
  • What does AC and DC stand for in the electrical field?


  • Options
  • A. Alternating Current and Direct Current
  • B. A Rock Band from Australia
  • C. Average Current and Discharged Capacitor
  • D. Atlantic City and District of Columbia

  • Correct Answer
  • Alternating Current and Direct Current 

    Explanation
    Electricity is voltage and current. Voltage is electrical pressure, and current is the flow of charged particles. The difference between alternating current (AC) and direct current (DC) is that the electrons in an AC circuit regularly reverse their direction. In a DC circuit electrons always flow in the same direction.

  • More questions

    • 1. The mean surface temperature of the sun is estimated to be of the prder of

    • Options
    • A. 5500?C
    • B. 4000?C
    • C. 2000?C
    • D. 1000?C
    • Discuss
    • 2. The Pyrenees mountains are located on the border between ____ and ____

    • Options
    • A. Romania, Bulgaria
    • B. Norway, Sweden
    • C. Hungary, Romania
    • D. France, Spain
    • Discuss
    • 3. What is the relationship between resistivity r and conductivity s?

    • Options
    • A. R = s2
    • B. R = s
    • C. R > s
    • D. R = 1/s
    • Discuss
    • 4. Which of the following is used as a lubricant?

    • Options
    • A. Graphite
    • B. Silica
    • C. Iron Oxide
    • D. Diamond
    • Discuss
    • 5. Fenway Park is the home field of what Major League Baseball team?

    • Options
    • A. New York Yankees
    • B. Chicago White Sox
    • C. Montreal Expos
    • D. Boston Red Sox
    • Discuss
    • 6. The religion of Afghanistan is

    • Options
    • A. Islam
    • B. Buddhism
    • C. Hinduism
    • D. Christianity
    • Discuss
    • 7. Who was the first Indian woman to win a medal in the Olympics?

    • Options
    • A. P.T.Usha
    • B. Karnam Malleshwari
    • C. Kunjarani Devi
    • D. Bachendri Pal
    • Discuss
    • 8. Who is known as 'Desert Fox'?

    • Options
    • A. Bismarck
    • B. Eisenhower
    • C. Gen. Rommel
    • D. Walter Scott
    • Discuss
    • 9. The letters, "DOS" stand for...

    • Options
    • A. Data Out System
    • B. Disk Out System
    • C. Disk Operating System
    • D. Data Operating System
    • Discuss
    • 10. Which of the following countries is not a member of SAARC?

    • Options
    • A. Nepal
    • B. Bangladesh
    • C. Afghanistan
    • D. Myanmar
    • Discuss


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