AIPMT 2009 | Semiconductor Electronics Question 77 | Physics

AIPMT 2009

MCQ (Single Correct Answer)

-1

The symbolic representation of four logic gates are given below

AIPMT 2009 Physics - Semiconductor Electronics Question 68 English

The logic symbols for OR, NOT and NAND gates are respectively

(iv), (i), (iii)

(iv), (ii), (i)

(i), (iii), (iv)

(iii), (iv), (ii)

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 2008

MCQ (Single Correct Answer)

-1

Out of Syllabus

The voltage gain of an amplifier with 9% negative feedback is 10. The voltage gain without feedback will be

1.25

100

AIPMT 2008

MCQ (Single Correct Answer)

-1

A p-n photodiode is made of a material with a band gap of 2.0 eV. The minimum frequency of the radiation that can be absorbed by the material is nearly

1 $$ \times $$ 10¹⁴ Hz

20 $$ \times $$ 10¹⁴ Hz

10 $$ \times $$ 10¹⁴ Hz

5 $$ \times $$ 10¹⁴ Hz

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