AIPMT 2008 | Semiconductor Electronics Question 80 | Physics

AIPMT 2008

MCQ (Single Correct Answer)

-1

If the lattice parameter for a crystalline structure is 3.6 $$\mathop A\limits^ \circ $$, then the atomic radius in fcc crystal is

2.92 $$\mathop A\limits^ \circ $$

1.27 $$\mathop A\limits^ \circ $$

1.81 $$\mathop A\limits^ \circ $$

2.10 $$\mathop A\limits^ \circ $$

AIPMT 2007

MCQ (Single Correct Answer)

-1

Which one of the following represents forward bias diode ?

AIPMT 2007 Physics - Semiconductor Electronics Question 109 English Option 1

AIPMT 2007 Physics - Semiconductor Electronics Question 109 English Option 2

AIPMT 2007

MCQ (Single Correct Answer)

-1

In the following circuit, the output Y for all possible inputs A and B is expressed by the truth table.

AIPMT 2007 Physics - Semiconductor Electronics Question 62 English

$$\matrix{ A & B & Y \cr 0 & 0 & 1 \cr 0 & 1 & 1 \cr 1 & 0 & 1 \cr 1 & 1 & 0 \cr } $$

$$\matrix{ A & B & Y \cr 0 & 0 & 1 \cr 0 & 1 & 0 \cr 1 & 0 & 0 \cr 1 & 1 & 0 \cr } $$

$$\matrix{ A & B & Y \cr 0 & 0 & 0 \cr 0 & 1 & 1 \cr 1 & 0 & 1 \cr 1 & 1 & 1 \cr } $$

$$\matrix{ A & B & Y \cr 0 & 0 & 0 \cr 0 & 1 & 0 \cr 1 & 0 & 0 \cr 1 & 1 & 1 \cr } $$

AIPMT 2007

MCQ (Single Correct Answer)

-1

In the energy band diagram of a material shown below, the open circles and filled circles denote holes and electrons respectively. The material is

AIPMT 2007 Physics - Semiconductor Electronics Question 60 English

AIPMT 2007 Physics - Semiconductor Electronics Question 60 English

an insulator

a metal

an n-type semiconductor

a p-type semiconductor.

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