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Semiconductor E...

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  • Question 1
    1 / -0

    The truth tables of logic gates A, B, C, D are given here. Identify them correctly.

  • Question 2
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    LCD stands for:

  • Question 3
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    The rating of a zener diode is $$1 W, 15 V$$. Find the zener maximum current. 

  • Question 4
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    Which of the following logic expressions represents the logic diagram shown ?

  • Question 5
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    Find the maximum zener current for the zener diode as shown in figure. Given, $$V_Z=6 V, R_Z=1.5 \Omega,  R=400 \Omega $$

  • Question 6
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    A zener diode can be used as 

  • Question 7
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    A $$7.2 V$$ zener diode $$(7.2 V$$ at $$  20^oC) $$ has a positive temperature coefficient of $$0.0007 /^oC$$. What is the zener voltage at $$45^oC$$ ?

  • Question 8
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    Which of the following is/are true regarding  breakdown voltage of Zener diode?

  • Question 9
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    Resistance of a wire is r ohm. The wire taken is double its length, then its intial resistance in ohm will be

  • Question 10
    1 / -0

    The attached figure shows the characteristics of:

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