AIPMT 2010 Prelims | Semiconductor Electronics Question 72 | Physics

AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

The device that can act as a complete electronic circuit is

junction diode

integrated circuit

junction transistor

zener diode

AIPMT 2010 Prelims

MCQ (Single Correct Answer)

-1

Which one of the following statement is false ?

Pure Si doped with trivalent impurities gives a p-type semiconductor.

Majority carries in a n-type semiconductor are holes.

Minority carries in a p-type semiconductor are electrons.

The resistance of intrinisic semiconductor decreases with increase of temperature.

AIPMT 2009

MCQ (Single Correct Answer)

-1

Sodium has body centred packing. Distance between two nearest atoms is 3.7 $$\mathop A\limits^ \circ $$. The lattice parameter is

4.3 $$\mathop A\limits^ \circ $$

3.0 $$\mathop A\limits^ \circ $$

8.6 $$\mathop A\limits^ \circ $$

6.8 $$\mathop A\limits^ \circ $$

AIPMT 2009

MCQ (Single Correct Answer)

-1

A p-n photodiode is fabricated from a semiconductor with a band gap of 2.5 eV. It can detect a signal of wavelength

4000 nm

6000 nm

4000 $$\mathop A\limits^ \circ $$

6000 $$\mathop A\limits^ \circ $$

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