Computer Programming MCQs

5739 MCQs  (Page 254 of 574)

For a hole which of the following statements is incorrect ?
A. Holes can exist in certain semiconductors only
B. Holes can exist in any material including conductors
C. Holes may constitute an electric current
D. Holes can be considered as a net positive charge
The carbon percentage is least in__________________?
A. Low carbon steel
B. Wrought iron
C. Cast iron
D. Malleable iron
The minority carrier concentration is largely a function of_____________?
A. Forward biasing voltage
B. Reverse biasing voltage
C. Temperature
D. The amount of doping