UHS MDCAT PAST PAPER 2022

(Part-17)

1. Which surface has greater magnetic flux in same magnetic field, each has an area 1 m^2.

 
 
 
 

2. The source of magnetic field us

 
 
 
 

3. One-meter-long copper rod is moving with speed 20 m/sec in the magnetic field of strength 0.6 tesla. What is the value of induced emf?

 
 
 
 

4. The unit of ΔΦ / Δt can be written as ?

 
 
 
 

5. Working principle of magnetic levitation train is according to?

 
 
 
 

6. A copper hoop is held in a vertical east-west plane in a uniform magnetic field whose field lines run along the north-south direction. The largest induced emf is produced when the hoop is?

 
 
 
 

7. In transformer, there is no ___ connection between the two coils but they are ___ linked?

 
 
 
 

8. When the temperature of semiconductor suddenly drops zero kelvin, then a semiconductor acts as:

 
 
 
 

9. If electron, proton, neutron and alpha particle have same velocity, which of them has the shortest wavelength

 
 
 
 

10. The process of ejection of loosely bound electrons from a certain photo sensitive surface by absorption of photon is called

 
 
 
 

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