JEE PHYSICS MCQ: SEMI CONDUCTOR DEVICES

1 Medium

1 of 1

Remembering +4 | -1

For an insulator the forbidden energy gap is

View answer and explanation

Correct option: C

5 eV

Option C (5 eV) is correct because insulators have a large forbidden energy gap, typically greater than 3 eV, which prevents electrons from easily moving to the conduction band.

More Questions from SEMI CONDUCTOR DEVICES

Practice All Chapter MCQs →

A PN-junction has a thickness of the order of In a

PNP

transistor the base is the

N

-region. Its width relative to the

P

-region is A solid reflects incident light and its electrical conductivity decreases with temperature. The binding in this solid is An alternating current can be converted into direct current by a A N–P–N transistor is used in inverse active mode of operation then its emitter base junction should be in In the case of constants

\mathrm{\alpha\; and\; \beta }

of a transistor