Internal resistance is the resistance offered by________________?

Related Mcqs:

1. The deflection for 50 division of galvanometer is decreased to 25 divisions by shunt resistance of 12Ω. Galvanometer resistance is_____________?

   A. 18Ω
   B. 30Ω
   C. 24Ω
   D. 12Ω

2. The relation between the escape velocity V esc and orbital speed Vo is given by________________?

   A. V esc = 1/2Vo
   B. V esc = -2 Vo
   C. V esc = Vo
   D. V esc = 2Vo

3. For a simple pendulu,m the restoring force is caused by________________?

   A. Gravity
   B. Spring
   C. Hand
   D. All of these

4. The name of the photon for quantum of light was proposed by________________?

   A. Ampere
   B. Plank
   C. Thomson
   D. Einstein

5. A three-dimensional image is obtained by________________?

   A. Electron microscope
   B. Scanning electron microscope
   C. Magnetic imaging
   D. None of the above

6. We can produce heat by________________?

   A. Frictional process
   B. Chemical processes
   C. Electrical processes
   D. All of the above

7. The performance of a refrigerator is described by________________?

   A. efficiency
   B. coefficient of performance
   C. both A and B
   D. not described

8. Which one is true for internal energy ?

   A. It is sum of all forms of energies associated with molecules of a system
   B. It is a state function of a system
   C. It is proportional to transnational K.E of the molecules
   D. All are correct

9. Which of the following branch of Physics deals with the internal structure of earth?

   A. Biophysics
   B. Geophysics
   C. Plasma physics
   D. Atomic physics

   Submitted by: AFNAN FAHIM KHATTAK

10. Which instrument is suitable to measure the internal diameter of a test tube?

    A. Vernier Callipers
    B. Screw Gauge
    C. Bore Gauge
    D. None

    Submitted by: Warraich