Physics-
General
Easy
Question
If a ferromagnetic material is inserted in a current carrying solenoid, the magnetic field of solenoid
- Largely increases
- Slightly increases
- Largely decreases
- Slightly decreases
The correct answer is: Largely increases
Related Questions to study
Physics-
The given figure represents a material which is
The given figure represents a material which is
Physics-General
Physics-
If the angular momentum of an electron is then the magnitude of the magnetic moment will be
If the angular momentum of an electron is then the magnitude of the magnetic moment will be
Physics-General
Physics-
Temperature above which a ferromagnetic substance becomes paramagnetic is called
Temperature above which a ferromagnetic substance becomes paramagnetic is called
Physics-General
Physics-
The period of oscillations of a magnet is 2 sec. When it is remagnetised so that the pole strength is 4 times its period will be
The period of oscillations of a magnet is 2 sec. When it is remagnetised so that the pole strength is 4 times its period will be
Physics-General
Maths-
Number of solutions
Number of solutions
Maths-General
Physics-
A tangent galvanometer has a coil of 25 turns and radius of 15 cm. The horizontal component of the earth’s magnetic field is 3 ´ 10–5 T. The current required to produce a deflection of 45o in it, is
A tangent galvanometer has a coil of 25 turns and radius of 15 cm. The horizontal component of the earth’s magnetic field is 3 ´ 10–5 T. The current required to produce a deflection of 45o in it, is
Physics-General
Physics-
When ampere current is passed in a tangent galvanometer, there is a deflection of 30° in it. The deflection obtained when 3 amperes current is passed, is
When ampere current is passed in a tangent galvanometer, there is a deflection of 30° in it. The deflection obtained when 3 amperes current is passed, is
Physics-General
Physics-
The time period of a bar magnet suspended horizontally in the earth's magnetic field and allowed to oscillate
The time period of a bar magnet suspended horizontally in the earth's magnetic field and allowed to oscillate
Physics-General
Physics-
Time period for a magnet is T. If it is divided in four equal parts along its axis and perpendicular to its axis as shown then time period for each part will be
Time period for a magnet is T. If it is divided in four equal parts along its axis and perpendicular to its axis as shown then time period for each part will be
Physics-General
Physics-
At a certain place a magnet makes 30 oscillations per minute. At another place where the magnetic field is double, its time period will be
At a certain place a magnet makes 30 oscillations per minute. At another place where the magnetic field is double, its time period will be
Physics-General
Physics-
At which place, earth's magnetism become horizontal
At which place, earth's magnetism become horizontal
Physics-General
Physics-
At a certain place the horizontal component of the earth’s magnetic field is B0 and the angle of dip is 45o. The total intensity of the field at that place will be
At a certain place the horizontal component of the earth’s magnetic field is B0 and the angle of dip is 45o. The total intensity of the field at that place will be
Physics-General
Physics-
At a certain place, the horizontal component and the vertical component of the earth's magnetic field are equal in magnitude. The total intensity at the place will be
At a certain place, the horizontal component and the vertical component of the earth's magnetic field are equal in magnitude. The total intensity at the place will be
Physics-General
Physics-
Lines which represent places of constant angle of dip are called
Lines which represent places of constant angle of dip are called
Physics-General
Physics-
At a place, the horizontal and vertical intensities of earth's magnetic field is 0.30 Gauss and 0.173 Gauss respectively. The angle of dip at this place is
At a place, the horizontal and vertical intensities of earth's magnetic field is 0.30 Gauss and 0.173 Gauss respectively. The angle of dip at this place is
Physics-General