Physics for Electronics Engineering: Unit II: Electrical and Magnetic Properties of Materials
Anna University Solved Problems in Magnetic Properties of Materials
Physics for Electronics Engineering
Important Solved Problems in Magnetic Properties of Material
ANNA UNIVERSITY SOLVED PROBLEMS
Problem 2.12
The
magnetic field strength of copper is 106 ampere/metre. If the
magnetic susceptibility of copper is -0.8 x 10-5, calculate the
magnetic flux density and magnentisation in copper. (A.U. May 2014)
Given data
Magnetic
field strength H = 106 Am-1
Magnetic
susceptibility of copper χ = -0.8 x 10-5
Solution
Problem 2.13
A
magnetic field of 1800 ampere/metre produces a magnetic flux of 3 x 10-5
weber in an iron bar of cross sectional area 0.2 cm2. Calculate
magnetic permeability. (A.U. May 2015)
Given data
Magnetizing
field H = 1800 Am-1
Magnetic
flux = 3 x 10-5 weber
Area
of cross section A = 0.2 cm2 = 0.2 x 10-4 m2
Solution
Magnetic
flux density B = φ / A
Substituting
the given values, we have
Problem 2.14
The
saturation magnetic induction of nickel is 0.65 weber / metre2. If
the density of nickel is 8906 kg/m3 and atomic weight is 58.7,
calculate the magnetic moment of the nickel atom in Bohr magneton. (A.U. Dec
2016)
Given data
Solution
N
is the number of atoms per unit volume (atoms/m3)
Substituting
the given values, we have
Problem 2.15
A
paramagnetic material has bcc structure with a cube edge of 2.5 Å. If the
saturation value of magnetisation 1.8 x 106 ampere / metre.
Calculate the average magnetisation contributed per atom in Bohr magneton.
(A.U. Dec. 2016)
Given data
Solution
Number
if atoms per unit volume
Total
magnetisation M = 1.8 x 106 Am-1
Average
magnetisation produced per atom
Physics for Electronics Engineering: Unit II: Electrical and Magnetic Properties of Materials : Tag: : Physics for Electronics Engineering - Anna University Solved Problems in Magnetic Properties of Materials
Physics for Electronics Engineering: Unit II: Electrical and Magnetic Properties of Materials
Under Subject
Physics for Electronics Engineering
PH3254 - Physics II - 2nd Semester - ECE Department - 2021 Regulation | 2nd Semester ECE Dept 2021 Regulation
Related Subjects
Professional English II
HS3251 2nd Semester 2021 Regulation | 2nd Semester Common to all Dept 2021 Regulation
Statistics and Numerical Methods
MA3251 2nd Semester 2021 Regulation M2 Engineering Mathematics 2 | 2nd Semester Common to all Dept 2021 Regulation
Engineering Graphics
GE3251 eg 2nd semester | 2021 Regulation | 2nd Semester Common to all Dept 2021 Regulation
Physics for Electrical Engineering
PH3202 2nd Semester 2021 Regulation | 2nd Semester EEE Dept 2021 Regulation
Basic Civil and Mechanical Engineering
BE3255 2nd Semester 2021 Regulation | 2nd Semester EEE Dept 2021 Regulation
Electric Circuit Analysis
EE3251 2nd Semester 2021 Regulation | 2nd Semester EEE Dept 2021 Regulation
Physics for Electronics Engineering
PH3254 - Physics II - 2nd Semester - ECE Department - 2021 Regulation | 2nd Semester ECE Dept 2021 Regulation
Electrical and Instrumentation Engineering
BE3254 - 2nd Semester - ECE Dept - 2021 Regulation | 2nd Semester ECE Dept 2021 Regulation
Circuit Analysis
EC3251 - 2nd Semester - ECE Dept - 2021 Regulation | 2nd Semester ECE Dept 2021 Regulation
Materials Science
PH3251 2nd semester Mechanical Dept | 2021 Regulation | 2nd Semester Mechanical Dept 2021 Regulation
Basic Electrical and Electronics Engineering
BE3251 2nd semester Mechanical Dept | 2021 Regulation | 2nd Semester Mechanical Dept 2021 Regulation
Physics for Civil Engineering
PH3201 2021 Regulation | 2nd Semester Civil Dept 2021 Regulation
Basic Electrical, Electronics and Instrumentation Engineering
BE3252 2021 Regulation | 2nd Semester Civil Dept 2021 Regulation
Physics for Information Science
PH3256 2nd Semester CSE Dept | 2021 Regulation | 2nd Semester CSE Dept 2021 Regulation
Basic Electrical and Electronics Engineering
BE3251 2nd Semester CSE Dept 2021 | Regulation | 2nd Semester CSE Dept 2021 Regulation
Programming in C
CS3251 2nd Semester CSE Dept 2021 | Regulation | 2nd Semester CSE Dept 2021 Regulation