Units Devices Dimensions And Measurements Quiz 6 (9 MCQs)

Quiz Instructions

Select an option to see the correct answer instantly.

1. A device used for converting A. C. into D. C. is called

Correct Answer: B) Rectifier.

2. Kelvin is used to measure

Correct Answer: C) Temperature.

3. Which instrument is used to convert mechanical energy into electrical energy?

Correct Answer: B) Dyanamo.

4. Which instrument is used to measures strength of electric current?

Correct Answer: A) Ammeter.

5. The unit of noise pollution (level) is

Correct Answer: B) Decibel.

6. Which instrument is used to measure the wavelength of a radiowave?

Correct Answer: C) Wavemeter.

7. Which of the following devices converts electrical energy into mechanical energy?

Correct Answer: D) Electric motor.

8. Anemometer measures

Correct Answer: B) Wind velocity.

9. Which instrument is used to determine the intensity of colours?

Correct Answer: A) Colorimeter.