IndiaBIX

Electronics and Communication Engineering - Electromagnetic Field Theory

Exercise : Electromagnetic Field Theory - Section 12
6.
The energy of one quantum of light equal to hf.
True
False
Answer: Option
Explanation:
No answer description is available. Let's discuss.
7.
For most metals, Fermi level EF is less than
0.1 eV
2 eV
5 eV
10 eV
Answer: Option
Explanation:
No answer description is available. Let's discuss.
8.
The spins in a ferrimagnetic material are
all aligned parallel
partially aligned antiparallel without exactly cancelling out sublattice magnetisation
randomly oriented
all aligned antiparallel such that the sublattice cancels out exactly
Answer: Option
Explanation:
No answer description is available. Let's discuss.
9.
The permeability of soft iron can be increased by
purifying it
reducing carbon percentage
alloying with cobalt
increasing percentage
Answer: Option
Explanation:
No answer description is available. Let's discuss.
10.
All of the following elements have three valence electrons EXCEPT
boron
indium
gallium
arsenic
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Quick links
Quantitative Aptitude
Verbal (English)
Reasoning
Programming
Interview
Placement Papers