IndiaBIX

Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 7
16.
Which of the following is the ferric electric material?
Rochelle salt
Barium titanate
Potassium dihydrogen phosphate
All of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
17.
The amount of time between the creation and disappearance of a hole in an intrinsic semiconductor material is called
life cycle
recombination time
life time
half life
Answer: Option
Explanation:
No answer description is available. Let's discuss.
18.
In photo electric emission, the threshold frequency f0, work function Uw, and Planck's constant h are related as
f0 = (Uw)(h)2
h = (Uw)(f0)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
19.
In which n type device does p substrate extend upto silicon dioxide layer?
JFET
Depletion type MOSFET
Enhancement type MOSFET
Both (b) and (c)
Answer: Option
Explanation:
No answer description is available. Let's discuss.
20.
In a N-type semi-conductor, the concentration of minority carriers is mainly depends on
the number of acceptor atoms
the number of donor atoms
the extent of doping
the temperature of the material
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers