IndiaBIX

Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 16
11.
For a NPN bipolar transistor, what is the main stream of current in the base region?
Drift of holes
Diffusion of holes
Drift of electrons
Diffusion of electrons
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.

Assertion (A): A VMOS can handle much larger current than other field effect transistors.

Reason (R): In a VMOS the conducting channel is very narrow.

Both A and R are true and R is correct explanation of A
Both A and R are true but R is not a correct explanation of A
A is true but R is false
A is false but R is true
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
In monolithic ICs, all the components are fabricated by
diffusion process
oxidation
evaporation
none
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Which one of the following is not a characteristic of a ferroelectric material?
High dielectric constant
No hysteresis
Ferroelectric characteristic only above the curie point
Electric dipole moment
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
In case of photo conductor for germanium when forbidden energy gap is 0.72 eV, the critical wavelength for intrinsic excitation will be
1.43 m
1.43 mm
1.73 mm
1.73 x 1012 m
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers