A diamagnetic material in a magnetic field moves ______.
[5] Magnetism and Matter
Chapter: [5] Magnetism and Matter
Concept: undefined >> undefined
When the temperature of a magnetic material decreases, the magnetization ______.
[5] Magnetism and Matter
Chapter: [5] Magnetism and Matter
Concept: undefined >> undefined
Metals getting magnetised by orientation of atomic magnetic moments in external magnetic field are called ______.
[5] Magnetism and Matter
Chapter: [5] Magnetism and Matter
Concept: undefined >> undefined
Which magnetic materials have negative susceptibility?
[5] Magnetism and Matter
Chapter: [5] Magnetism and Matter
Concept: undefined >> undefined
If a diamagnetic substance is brought near north or south pole of a bar magnet, it is ______.
[5] Magnetism and Matter
Chapter: [5] Magnetism and Matter
Concept: undefined >> undefined
Of dia, para and ferromagnetism, the universal property of all substances is ______.
[5] Magnetism and Matter
Chapter: [5] Magnetism and Matter
Concept: undefined >> undefined
Curie temperature is the temperature above which ______.
[5] Magnetism and Matter
Chapter: [5] Magnetism and Matter
Concept: undefined >> undefined
A material is placed in a magnetic field and it is thrown out of it. Then the material is ______.
[5] Magnetism and Matter
Chapter: [5] Magnetism and Matter
Concept: undefined >> undefined
Core of elctromagnets are made of ferromagnetic materials which have ______.
[5] Magnetism and Matter
Chapter: [5] Magnetism and Matter
Concept: undefined >> undefined
When the current in a coil changes from 2 amp. to 4 amp. in 0.05 sec., an e.m.f. of 8 volt is induced in the coil. The coefficient of self inductance of the coil is ______.
[6] Electromagnetic Induction
Chapter: [6] Electromagnetic Induction
Concept: undefined >> undefined
Two coils of self inductances 2 mH and 8 mH are placed so close together that the effective flux in one coil is completely linked with the other. The mutual inductance between these coils is ______.
[6] Electromagnetic Induction
Chapter: [6] Electromagnetic Induction
Concept: undefined >> undefined
The coefficient of self inductance of a solenoid is 0.18 mH. If a core of soft iron of relative permeability 900 is inserted, then the coefficient of self inductance will become nearly ______.
[6] Electromagnetic Induction
Chapter: [6] Electromagnetic Induction
Concept: undefined >> undefined
Two solenoids of same cross-sectional area have their lengths and number of turns in ratio of 1 : 2 both. The ratio of self-inductance of two solenoids is ______.
[6] Electromagnetic Induction
Chapter: [6] Electromagnetic Induction
Concept: undefined >> undefined
When current i passes through an inductor of self-inductance L, energy stored in it is 1/2. L i2. This is stored in the ______.
[6] Electromagnetic Induction
Chapter: [6] Electromagnetic Induction
Concept: undefined >> undefined
A coil is wound on a frame of rectangular cross-section. If all the linear dimensions of the frame are increased by a factor 2 and the number of turns per unit length of the coil remains the same, self-inductance of the coil increases by a factor of ______.
[6] Electromagnetic Induction
Chapter: [6] Electromagnetic Induction
Concept: undefined >> undefined
The self-inductance associated with a coil is independent of ______.
[6] Electromagnetic Induction
Chapter: [6] Electromagnetic Induction
Concept: undefined >> undefined
The self-inductance of a coil is a measure of ______.
[6] Electromagnetic Induction
Chapter: [6] Electromagnetic Induction
Concept: undefined >> undefined
Choke coil works on the principle of ______.
[6] Electromagnetic Induction
Chapter: [6] Electromagnetic Induction
Concept: undefined >> undefined
Production of induced e.m.f. in a coil due to the changes of current in the same coil is ______.
[6] Electromagnetic Induction
Chapter: [6] Electromagnetic Induction
Concept: undefined >> undefined
The self-inductance associated with a coil is independent of ______.
[6] Electromagnetic Induction
Chapter: [6] Electromagnetic Induction
Concept: undefined >> undefined
