NEET 2013 (Karnataka) | Semiconductor Electronics Question 47 | Physics

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

One way in which the operation of a n-p-n transistor differs from that of a p-n-p

The emitter junction injects minority carries into the base region of the p-n-p

The emitter injects holes into the base of the p-n-p and electrons into the base region of n-p-n

The emitter injects holes into the base of n-p-n

The emitter junction is reversed biased in n-p-n

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

In an unbiased p-n junction, holes diffuse from the p-region to n-region because of

The attraction of free electrons of n-region.

The higher hole concentration in p-region than that in n-region.

The higher concentration of electrons in the n-region than that in the p-region.

The potential difference across the p-n junction.

NEET 2013 (Karnataka)

MCQ (Single Correct Answer)

-1

The output from a NAND gate is divided into two in parallel and fed to another NAND gate. The resulting gate is a

AND gate

NOR gate

OR gate

NOT gate

NEET 2013

MCQ (Single Correct Answer)

-1

The output (X) of the logic circuit shown ion figure will be

X = A . B

X = $$\overline {A + B} $$

X = $$\overline {\overline A } .\overline {\overline B } $$

X = $$\overline {A.B} $$

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