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   QUESTIONS OF THE DAY   
 
Q1. A small object of uniform density rolls up a curved surface with an initial velocity v. It reaches upto a maximum height of 3v2/4g with respect to the initial position. The object is:  
  A. Solid sphere B. Hollow sphere
  C. Disc D. Ring
Q2. In a common emitter (CE) amplifier having a voltage gain G, the transistor used has transconductance 0.03 mho and current gain 25. If the above transistor is replaced with another one with transconductance 0.02 mho and current gain 20, the voltage gain will be:  
  A. 3G/2 B. G/3
  C. 5G/4 D. 2G/3
 
 
 
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