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Semiconductor Electronics PYQs · MHT CET · JEE Main · NEET

Other / Mixed

Questions
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MHT CET
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JEE Main
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NEET
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Q1NEET 2010 · AIPMT · PRELIMSEasy

Other / Mixed

Which one of the following bonds produces a solid that reflects light in the visible region and whose electrical conductivity decreases with temperature and has high melting point?

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Answer: (a)

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Q2NEET 2010 · AIPMT · PRELIMSEasy

Other / Mixed

The device that can act as a complete electronic circuit is

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Answer: (b)

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Q3NEET 2009 · AIPMTMedium

Other / Mixed

{} Sodium has body centred packing. Distance between two nearest atoms is 3.7 A˚\text{\AA}. The lattice parameter is

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Answer: (a)

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Q4NEET 2008 · AIPMTMedium

Other / Mixed

If the lattice parameter for a crystalline structure is 3.6 A˚\text{\AA}, then the atomic radius in fcc crystal is

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Answer: (b)

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Q5NEET 2007 · AIPMTEasy

Other / Mixed

For a cubic crystal structure which one of the following relations indicating the cell characteristics is correct?

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Answer: (c)

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Q6JEE Main 2006 · AIEEEMedium

Other / Mixed

A solid which is not transparent to visible light and whose conductivity increases with temperature is formed by

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Answer: (b)

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Q7NEET 2005 · AIPMTMedium

Other / Mixed

{} Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54 A˚\text{\AA}. The value of lattice constant for this lattice is

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Answer: (b)

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Q8NEET 2002 · AIPMTEasy

Other / Mixed

Number of atom per unit cell in B.C.C.

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Answer: (c)

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Q9NEET 2001 · AIPMTMedium

Other / Mixed

In bcc structure of lattice constant aa, the minimum distance between atoms is

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Answer: (a)

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Q10NEET 1999 · AIPMTMedium

Other / Mixed

Sodium has body centred packing. If the distance between two nearest atoms is 3.7 Å then the lattice parameter is

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Answer: (c)

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Q11NEET 1996 · AIPMTEasyOld syllabus

Other / Mixed

When using a triode, as an amplifier, the electrons are emitted by

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Answer: (b)

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Q12NEET 1995 · AIPMTMediumOld syllabus

Other / Mixed

Distance between body centred atom and a corner atom in sodium (a=4.225a = 4.225 Å) is

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Answer: (c)

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Q13NEET 1993 · AIPMTEasyOld syllabus

Other / Mixed

Diamond is very hard because

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Answer: (b)

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Q14NEET 1992 · AIPMTEasyOld syllabus

Other / Mixed

Which one of the following is the weakest kind of the bonding in solids?

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Answer: (c)

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Q15NEET 1992 · AIPMTEasyOld syllabus

Other / Mixed

For amplification by a triode, the signal to be amplified is given to

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Answer: (b)

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Q16NEET 1992 · AIPMTMediumOld syllabus

Other / Mixed

For an electronic valve, the plate current II and plate voltage VV in the space charge limited region are related as

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Answer: (a)

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Q17NEET 1990 · AIPMTEasyOld syllabus

Other / Mixed

When a triode is used as an amplifier the phase difference between the input signal voltage and the output is

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Answer: (b)

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