Podcast
Questions and Answers
If the magnetic moment of a magnet is 8 × 10⁻⁷ Amp × m², what is its intensity of magnetization?
If the magnetic moment of a magnet is 8 × 10⁻⁷ Amp × m², what is its intensity of magnetization?
- 8 Amp/m
- 0.08 Amp/m
- 0.008 Amp/m
- 0.8 Amp/m (correct)
What is the maximum possible intensity of magnetization in a paramagnetic gas with a dipole moment of 1.5 × 10⁻²³ Amp × m² and a number density of 2 × 10²⁶ m⁻³?
What is the maximum possible intensity of magnetization in a paramagnetic gas with a dipole moment of 1.5 × 10⁻²³ Amp × m² and a number density of 2 × 10²⁶ m⁻³?
- 3 × 10³ Amp/m (correct)
- 4 × 10⁻³ Amp/m
- 5 × 10⁵ Amp/m
- 6 × 10⁻⁴ Amp/m
What is the unit of molar susceptibility?
What is the unit of molar susceptibility?
- No units
- kg⁻¹m³
- m³/kg
- m³ (correct)
What is the ratio of the area of the B-H curve to the area of the I-H curve of a substance in the M.K.S system?
What is the ratio of the area of the B-H curve to the area of the I-H curve of a substance in the M.K.S system?
What is the amount of current required to demagnetize a small bar magnet with a coercivity of 4 × 10³ Amp/m, inserted inside a solenoid of 500 turns and length 1 m?
What is the amount of current required to demagnetize a small bar magnet with a coercivity of 4 × 10³ Amp/m, inserted inside a solenoid of 500 turns and length 1 m?
What is the SI unit of magnetic flux?
What is the SI unit of magnetic flux?
What is the magnetic induction or magnetic flux density equal to?
What is the magnetic induction or magnetic flux density equal to?
What is the characteristic of a medium that allows magnetic flux to pass through it?
What is the characteristic of a medium that allows magnetic flux to pass through it?
What is the magnetic flux density in terms of force experienced by a unit north pole?
What is the magnetic flux density in terms of force experienced by a unit north pole?
What is the relation between Tesla and Gauss?
What is the relation between Tesla and Gauss?
What is the relative permeability of soft iron?
What is the relative permeability of soft iron?
What is the unit of magnetic field intensity in CGS?
What is the unit of magnetic field intensity in CGS?
What is the magnetic susceptibility of a substance?
What is the magnetic susceptibility of a substance?
What is the unit of magnetization intensity?
What is the unit of magnetization intensity?
What is the magnetic moment of a substance?
What is the magnetic moment of a substance?
What is the significance of the alignment of molecular magnets in a magnetized substance?
What is the significance of the alignment of molecular magnets in a magnetized substance?
What is the shortest distance between the two poles of a bar magnet?
What is the shortest distance between the two poles of a bar magnet?
What is the implication of breaking a magnet into several pieces?
What is the implication of breaking a magnet into several pieces?
What is the significance of the repulsion between two magnets?
What is the significance of the repulsion between two magnets?
What is the direction of a freely suspended magnet in the Earth's magnetic field?
What is the direction of a freely suspended magnet in the Earth's magnetic field?
What is the property of a ferromagnetic material that allows it to retain some magnetism even after the external magnetic field is removed?
What is the property of a ferromagnetic material that allows it to retain some magnetism even after the external magnetic field is removed?
What is the term for the maximum value of magnetization that a ferromagnetic material can achieve?
What is the term for the maximum value of magnetization that a ferromagnetic material can achieve?
What is the process of demagnetizing a material completely by applying a magnetizing field in a negative direction?
What is the process of demagnetizing a material completely by applying a magnetizing field in a negative direction?
What is the lack of retracibility shown in the hysteresis loop curve?
What is the lack of retracibility shown in the hysteresis loop curve?
What is the value of the magnetizing field at which the magnetization becomes zero?
What is the value of the magnetizing field at which the magnetization becomes zero?
What is the direction of the magnetic moment vector?
What is the direction of the magnetic moment vector?
What is the unit of pole strength?
What is the unit of pole strength?
On what factors does the pole strength of a magnet depend?
On what factors does the pole strength of a magnet depend?
What is the magnetic moment of a magnet equal to?
What is the magnetic moment of a magnet equal to?
What are the dimensions of the magnetic moment?
What are the dimensions of the magnetic moment?
