Physics - Class X - Chapter No.18 - Questions And Answers

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ELECTRONICS

IMPORTANT QUESTIONS OF PAST PAPERS:

1)  Define the following terms:
    (i) Transistor (2009)
    (ii) Radar (2009)
    (iii) Doping (2011, 2012, 2013, 2017)
    (iv) Electronics (2013)
    (v)  Rectification  (2013)
    (vi) Rectifier (2017)
2)  Write two point of difference between
    (i) P-type substance and N-type substance (2009, 2013, 2019)
3)   Define Reflection? Describe the working of a semi-conductor diode as a rectifier? (2010)
4)  What is Transistor? Write its two advantages? (2011)
5)  What is Radar? Write down its three uses? (2011, 2017, 2018)
6)  What are Transistors? Describe its two types of transistor with the help of diagram. (2012, 2019)
7)  Write down three differences between "Forward biased & Reverse biased"? (2014, 2017)
8)  What is Transistor? Draw the symbolic diagram of two types of transistor? (2015)

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Notes By Practical Center