download Mastguru Android App

Question Detail

Which instrument is used to measure the power of electric circuit ?

  • Voltmeter
  • Wattmeter
  • Wavemeter
  • Viscometer

Answer: Option B

Explanation:

Voltmeter - is used to measure electric potential difference between two points,
Wavemeter - is used to measure the wavelength of a radiowave,
Viscometer - is used measure viscosity of liquid.

Similar Questions :

1. Radiocarbon is produced in the atmosphere as a result of

  • collision between fast neutrons and nitrogen nuclei present in the atmosphere
  • action of ultraviolet light from the sun on atmospheric oxygen
  • action of solar radiations particularly cosmic rays on carbon dioxide present in the atmosphere
  • lightning discharge in atmosphere

Answer: Option A

2. Which law is also called law of inertia ?

  • Newton first law
  • Newton second law
  • Newton third law
  • All of above

Answer: Option A

3. Device used to measure potential difference between two points in a circuit is ?

  • Ammeter
  • Galvanometer
  • Voltmeter
  • None of above

Answer: Option C

4. The rotational effect of a force on a body about an axis of rotation is described in terms of

  • Centre of gravity
  • Centripetal force
  • Centrifugal force
  • Moment of force

Answer: Option D

5. What is the maximum value of deforming force upto which a material shows elastic property and above which the material loses it ?

  • Elasticity
  • Strain
  • Elastic Limit
  • Stress

Answer: Option C

Read more from - Physics Questions Answers
Post a comment

    Mastguru Youtube Channel

    Videos @mastguru

    Free useful videos - Subscribe Mastguru
     

    Get Free Current Affairs and Govt Jobs Alerts in your mailbox

    To Appreciate Our Effort, Please Like Us

    Quantitative Aptitude
    English Aptitude
    Reasoning Aptitude
    Computer Awareness
    General Knowledge
    Current Affairs
    IT Officer Aptitude
    Programming Aptitude
    Latest Govt Jobs