M

Mr. Dubey • 52.30K Points
Coach 

Q. Which of the following is donor impurity for semi-conductors?

(A) Boron
(B) Callium
(C) Antimony
(D) Indium
Correct : Option (C)

Share

Discusssion

Login to discuss.

Be the first to start discuss.

Related MCQs

Q. A non-dimensional number which generally finds application in mass transfer problems is

Q. The frame provided for supporting the units of chasis and the body, in case of Tata vehicles is

Q. For 3phase I.M,The synchronous speed of rotating magnetic field is 1000 rpm,speed of rotor is 960 rpm ,then slip is

Q. In diesel engines thermal efficiency may be expected in the range

Q. The overall heat transfer co-efficient for a shell and tube heat exchanger for clean surfaces is U0 = 400 W/m2.K. The fouling factor after one year of

Q. ALU stands for:

Q. If the size of a standard specimen for a fatigue testing machine is increased, the endurance limit for the material will

Q. A house costs Rs. 1000,000. Incidental expenses and taxes amount to Rs. 3600 a year. What rent per month must the owner receive to clear 6% of his inv

Q. From the following which is the step of machine cell design?

Q. Which of the following phosphor bronze material is usually brazed?