Errors in the transmission of power through optic fiber can be minimized by using a______________?

Related Mcqs:

1. In optic fiber transmission system _____________ are used regenerate the dim light signal?

   A. Diodes
   B. Repeaters
   C. Laser
   D. Transformer

2. In optic fiber transmission the repeater are separated through a distance of __________ km in newer system?

   A. 300km
   B. 200km
   C. 100km
   D. 20km

3. The light used in optical fiber transmission is________?

   A. Dichromatic
   B. Monochromatic
   C. Pentachromatic
   D. None of these

   Submitted by: Raza Baloch

4. Random errors can be reduced by_______________?

   A. Taking zero correction
   B. Comparing the instrument with another more accurate one
   C. Taking mean of several measurements
   D. All methods explained in A, B and C

5. A particle having the mass of an electron and the charge of a proton is called a______________?

   A. Antiproton
   B. Positron
   C. Gamma rays
   D. Photon

6. Three equal resistors connected in series with a source of e m f together dissipate 10 W of power each. What will be the power dissipated if the same resistors are connected in parallel across the same source of e m f ?

   A. 40 W
   B. 90W
   C. 100W
   D. 120W

7. The average power and instantaneous power become equal if work is done at __________________?

   A. any rate
   B. at variable rate
   C. at uniform rate
   D. at high rate

8. Unit of power of a lens is________________?

   A. meter
   B. watt
   C. diopter
   D. horsepower

9. The power of a concave lens is_______________?

   A. real
   B. virtual
   C. positive
   D. negative

10. Dioptre power of an concave lens of 10 cm focal length is_______________?

    A. 10 dioptre
    B. 10 dioptre
    C. 1 / 10 dioptre
    D. 1 / 10 dioptre