The formula of inter-conversion of centigrade and Fahrenheit scale is___________?

Related Mcqs:

1. The Fahrenheit and centigrade scales agree to________________?

   A. 40
   B. 15.5
   C. 542
   D. 273

2. At what temperature is the Fahrenheit scale reading equal to twice that of the Celsius scale?

   A. 460°C
   B. 280°C
   C. 360°C
   D. 160°C

3. The device or circuit used for conversion of A.C. into D.C. is called_______________?

   A. An amplifier.
   B. A rectifier
   C. Filtering circuit
   D. Converter.

4. The device used for conversion of D.C. to A.C. is called______________?

   A. Converter
   B. A rectifier
   C. Inverter
   D. Oscillator

5. Michelson devised the formula to calculate the speed of light_______________?

   A. C = 4fd
   B. C = 8fd
   C. C = 16fd
   D. C = 5/2fd

6. A sensitive galvanometer gives full-scale deflection with 100 mV. If the resistance of the galvanometer is 50? the maximum current that can flow through safely is__________________?

   A. 2.0 mA
   B. 20 mA
   C. 200 mA
   D. 0.2 mA

7. A moving coil galvanometer of resistance 100? gives half scale deflection for a current of 20mA. What will be the potential difference across it ?

   A. 4 volt
   B. 5 volt
   C. 2 volt
   D. 0.4 volt

8. Minimum current required to produce a deflection of 1 mm on a scale at a distance of 1 meter is__________________?

   A. 0.1 A
   B. 1:00 AM
   C. current sensitivity
   D. 1 m A

9. The least count of Vernier caliper is ________ containing 10 Vernier scale divisions?

   A. 0.001mm
   B. 0.01mm
   C. 0.1mm
   D. 0.0001mm

   Submitted by: AFNAN FAHIM KHATTAK

10. Mohus scale is used for to measure ____________?

    A. Hardness
    B. Humidity
    C. Pressure
    D. Temperature

    Submitted by: Munir Ahmed