AIPMT 2007 | Semiconductor Electronics Question 83 | Physics

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AIPMT 2007

MCQ (Single Correct Answer)

-1

Which one of the following represents forward bias diode ?

AIPMT 2007 Physics - Semiconductor Electronics Question 111 English Option 1

AIPMT 2007 Physics - Semiconductor Electronics Question 111 English Option 2

AIPMT 2007

MCQ (Single Correct Answer)

-1

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

a $$ \ne $$ b $$ \ne $$ c and $$\alpha $$ = $$\beta $$ = $$\gamma $$ = 90^o

a = b = c and $$\alpha $$ $$ \ne $$ $$\beta $$ $$ \ne $$ $$\gamma $$ = 90^o

a = b = c and $$\alpha $$ = $$\beta $$ = $$\gamma $$ = 90^o

a $$ \ne $$ b $$ \ne $$ c and ;$$\alpha $$ $$ \ne $$ $$\beta $$ $$ \ne $$ and $$\gamma $$ = 90^o

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 62 English

AIPMT 2007 Physics - Semiconductor Electronics Question 62 English

an insulator

a metal

an n-type semiconductor

a p-type semiconductor.

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 64 English

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

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

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

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

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Human Health and Diseases Body Fluids and Its Circulation Locomotion and Movement Neural Control and Coordination Reproduction in Organisms Reproductive Health Structural Organisation in Animals Digestion and Absorption Excretory Products and Their Elimination Chemical Coordination and Integration Human Reproduction Animal Kingdom Breathing and Exchange of Gases Evolution