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12th Standard English Medium Physics Subject Electronics and Communication Creative 5 Mark Questions with Solution Part - II Question Bank Software Jun-18 , 2021

QB365 provides detailed and simple solution for every Creative Questions in class 12 Physics Subject. It will helps to get more idea about question pattern in 
every Creative questions with solution.

12th Standard English Medium Physics Subject Electronics and Communication Creative 5 Mark Questions with Solution Part - II

12th Standard English Medium Physics Subject Electronics and Communication Creative 5 Mark Questions with Solution Part - II

12th Standard

    Reg.No. :
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Physics

Time : 00:30:00 Hrs
Total Marks : 25
    5 x 5 = 25

  1. Explain and classify transistor as an oscillator.

  2. Write any two distinguishing features between Insulators, Metals and semiconductors and insulators an the basis of energy band diagrams.

  3. For a BJT, the common - base current gain α = 0.98 and the collector base junction reverse bias saturation ICU = 0.6μA. This BJT is connected in the common emitter mode and operated in the active region with a base drive current ID= 20 μA. The collector current IC for this mode of operating is

  4. For a BJT circuit shown, assume that the 'β' of the transistor is very large and VBE= 0.7 V. The mode of operation.

  5. Write the applications of mobile communication.

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