IndiaBIX

Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 11
11.
Before doping the semiconductor material is
dehydrated
heated
hardened
purified
Answer: Option
Explanation:
No answer description is available. Let's discuss.
12.
The atomic number of silicon is 14. It can be therefore concluded that
a silicon atom contains 14 protons
a silicon atom contains 14 neutrons
a silicon atom contains 14 electrons
all of the above
Answer: Option
Explanation:
No answer description is available. Let's discuss.
13.
X-rays cannot penetrate through a thick sheet of
wood
paper
lead
aluminium
Answer: Option
Explanation:
No answer description is available. Let's discuss.
14.
Ohmic range of metal film resistors is
1 to 100 ohms
10 to 1 K ohms
100 to 1 M ohms
100 to 100 M ohms
Answer: Option
Explanation:
No answer description is available. Let's discuss.
15.
The current density J, free electron mobility μn, hole mobility μp , magnitude of free electron and hole concentration ni electric field E and charge on electron e, in intrinsic semiconductor are related as
J = (μn + μp)eniE
J =
J =
J =
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers