Trending ▼   ResFinder  

ISC Class XII Board Specimen 2022 : Electricity and Electronics [Semester 2]

4 pages, 30 questions, 0 questions with responses, 0 total responses,    0    0
ISC 12th
Indian School Certificate Examination (ISC), New Delhi
+Fave Message
ProfileTimelineUploadsQ & A
 Home > isc >

Formatting page ...

ISC SEMESTER 2 EXAMINATION SPECIMEN QUESTION PAPER ELECTRICITY AND ELECTRONICS ---------------------------------------------------------------------------------------------------Maximum Marks: 40 Time allowed: One and a half hour Candidates are allowed an additional 10 minutes for only reading the paper. They must NOT start writing during this time. --------------------------------------------------------------------------------------------------------------------- Answer all questions in Section A, Section B and Section C. The intended marks for questions or parts of questions are given in brackets. [ ] --------------------------------------------------------------------------------------------------------------------- SECTION A - 8 MARKS Question 1 (i) The emitter of a transistor is _____________ doped (lightly, heavily) [1] (ii) State whether the statement given below is True or False. The value of of a transistor is more than 1. [1] (iii) Define voltage gain of a Common Emitter (CE) amplifier. [1] (iv) With reference to Power Amplifier, what is meant by impedance matching. [1] (v) With reference to vacuum tubes, state the importance of cathode bypass capacitor. [1] (vi) If a triode has a mutual conductance of 1 5mA/V and plate resistance of 12K , calculate its amplification factor. [1] (vii) The base-emitter junction of a transistor, has _____________. [1] (a) a reverse bias (b) a wide depletion layer (c) low resistance (d) low conductance 1

Formatting page ...

Formatting page ...

Formatting page ...

 

  Print intermediate debugging step

Show debugging info


 


Tags : ISC Board, Council for the Indian School Certificate Examinations, ISC 2021 - 2022 Examination, 2022, 2021, 2020, 2019, 2018, 2017, 2016, 2015, 2014, 2013, 2012, 2011, ISC Solved Specimen Question Papers 2021 - 2022, ISC Solved Mock Guess Exam Papers, ISC Board Model Paper with Answers, Detailed Solutions & Explanations, isc sample question bank, past / old / last year online test papers, syllabus, online coaching.  

© 2010 - 2024 ResPaper. Terms of ServiceContact Us Advertise with us

 

isc chat