New ! Physics MCQ Practise Tests



  1. Home
  2. 12th Standard
  3. Physics
  4. 12th Standard English Medium Physics Subject Electronics and Communication Book Back 5 Mark Questions with Solution Part - I

Updated 12th Standard Physics Study Materials 2024 - 2025Exams

12th Standard English Medium Physics Subject Electronics and Communication Book Back 5 Mark Questions with Solution Part - I Question Bank Software Jun-01 , 2021

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

12th Standard English Medium Physics Subject Electronics and Communication Book Back 5 Mark Questions with Solution Part - I

12th Standard English Medium Physics Subject Electronics and Communication Book Back 5 Mark Questions with Solution Part - I

12th Standard

    Reg.No. :
  •  
  •  
  •  
  •  
  •  
  •  

Physics

Time : 01:00:00 Hrs
Total Marks : 25

    Part I

    5 x 5 = 25

  1. The current gain of a common emitter transistor circuit shown in figure is 120. Draw the DC load line and mark the Q point on it. (VBE to be ignored).

  2. Calculate the range of the variable capacitor that is to be used in a tuned-collector oscillator which has a fixed inductance of 150 μH. The frequency band is from 500 kHz to 1500 kHz.

  3. What is the output Y in the following circuit, when all the three inputs A, B, and C are first 0 and then 1?

  4. In the combination of the following gates, write the Boolean equation for output Y in terms of inputs A and B.

  5. Prove the Boolean identity AC + ABC = AC and give its circuit description.

*****************************************

Reviews & Comments about 12th Standard English Medium Physics Subject Electronics and Communication Book Back 5 Mark Questions with Solution Part - I

Write your Comment