AIPMT 2015 | Semiconductor Electronics Question 44 | Physics

In the given figure, a diode D is connected to an external resistance R = 100 $$\Omega $$ and an e.m.f. of 3.5 V. If the barrier potential developed across the diode is 0.5 V, the current in the citcuit will be

AIPMT 2015 Physics - Semiconductor Electronics Question 103 English

20 mA

35 mA

30 mA

40 mA

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

If in a p-n junction, a square input signal of 10 V is applied, as shown,

AIPMT 2015 Cancelled Paper Physics - Semiconductor Electronics Question 101 English

then the output across R_L will be

AIPMT 2015 Cancelled Paper Physics - Semiconductor Electronics Question 101 English Option 1

AIPMT 2015 Cancelled Paper Physics - Semiconductor Electronics Question 101 English Option 2

AIPMT 2015 Cancelled Paper

MCQ (Single Correct Answer)

-1

Which logic gate is represented by the following combination of logic gates ?

AIPMT 2015 Cancelled Paper Physics - Semiconductor Electronics Question 102 English

AND

NOR

NAND

AIPMT 2014

MCQ (Single Correct Answer)

-1

The barrier potential of a p-n junction depends on
(1)   type of semiconductor material
(2)   amount of doping

(3)   temperature

Which one of the following is correct ?

(1) and (2) only

(2) only

(2) and (3) only

(1), (2) and (3)

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