IndiaBIX

Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 12
26.
The density of states (i.e. number of states per eV per m3) in the conduction band for energy level E is proportional to
E
E
E1.5
E2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
27.
A-P type material has an acceptor ion concentration of 1 x 1016 per cm3. Its intrinsic carrier concentration is 1.48 x 1010/ cm. The hole and electron mobilities are 0.05m2/V-sec and 0.13 m2/V-sec respectively calculate the resistivity of the material
12.5 Ω-cm
1.25 Ω-cm
0.125 Ω-cm
125 Ω-cm
Answer: Option
Explanation:
No answer description is available. Let's discuss.
28.
Resistivity is a property of a semiconductor that depends on
the atomic weight of the semiconductor
the atomic number of the semiconductor
the atomic nature of the semiconductor
the shape of the semiconductor
Answer: Option
Explanation:
No answer description is available. Let's discuss.
29.
Operating point signifies that
zero signal IC and VBE
zero signal IC and VCE
zero signal IB and VCE
zero signal IC, VCE
Answer: Option
Explanation:
No answer description is available. Let's discuss.
30.
Figure represents a
Tunnel diode
Zener diode
Photo diode
Photo sensitive diode
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers