2025 Exam Questions
Q. Define and state unit and dimensions of:
i) Magnetization
ii)Magnetic susceptibility
Q. What is value of B called, when \mathrm{H}=0 is in the hysteresis loop?
Q. What is Ferromagnetism? Explain it on the basis of domain theory.
2024 Exam Questions
Q. Define magnetization. State its SI unit and dimensions.
2023 Exam Questions
Q. Soft iron is used to make the core of transformer because of its _____.
(A) low coercivity and low retentivity
(B) low coercivity and high retentivity
(C) high coercivity and high retentivity
(D) high coercivity and low retentivity
Q. Write the mathematical formula for Bohr magneton for an electron revolving in nth orbit.
2022 Exam Questions
Q. State the formula for magnetic potential energy of a dipole and hence obtain the minimum and maximum magnetic potential energy.
Q. Derive an expression for orbital magnetic moment of an electron revolving around the nucleus in an atom.
Q. What is gyromagnetic ratio? Write the necessary expression.
Q. State the formula for the Bohr magneton.
Q. What is the magnetization, magnetic intensity and magnetic susceptibility?
Q. An electron in an atom is revolving round the nucleus in a circular orbit of radius 5.3 x 10-11 m with a speed of 3 x 106 m/s. Find the angular momentum of electron.
