Magnetism and Matter questions
398 published questions with worked solutions.
- Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Consider a...Not in JEE Advanced syllabus
- A short bar magnet placed with its axis at 30º with an external field of 800 Gauss, experiences a torque of 0.016 N.m. The work...Not in JEE Advanced syllabus
- Match List-I with List-II. List-I: (A) Magnetic induction (B) Magnetic intensity (C) Magnetic flux (D) Magnetic moment List-II:...Not in JEE Advanced syllabus
- The relationship between the magnetic susceptibility (χ) and the magnetic permeability (μ) is given by : (μ₀ is the permeability...Not in JEE Advanced syllabus
- A magnetic compass needle oscillates 30 times per minute at a place where the dip is 45°, and 40 times per minute where the dip...Not in JEE Advanced syllabus
- A paramagnetic material has 10^ 28 atoms/m^3. Its magnetic susceptibility at temperature 350 K is 2.8 10^ -4 . Its susceptibility...Not in JEE Advanced syllabus
- A paramagnetic substance in the form of a cube with sides 1 cm has a magnetic dipole moment of 20 10^ -6 J/T when a magnetic...Not in JEE Advanced syllabus
- At some location on earth the horizontal component of earth's magnetic field is 18 10^ -6 T. At this location, magnetic needle of...Not in JEE Advanced syllabus
- The magnetic moment of a bar magnet is 0.5 Am^2. It is suspended in a uniform magnetic field of 8 × 10^ -2 T. The work done in...Not in JEE Advanced syllabus
- Magnetic materials used for making permanent magnets (P) and magnets in a transformer (T) have different properties of the...Not in JEE Advanced syllabus
- Paramagnetic substances: A. align themselves along the directions of external magnetic field. B. attract strongly towards...Not in JEE Advanced syllabus
- A small bar magnet placed with its axis at 30º with an external field of 0.06 T experiences a torque of 0.018 Nm. the minimum...Not in JEE Advanced syllabus
- A paramagnetic sample shows a net magnetization of 6 A/m when it is placed in an external magnetic field of 0.4 T at a...Not in JEE Advanced syllabus
- Match List-I with List-II. List-I: (Material) (A) Diamagnetic (B) Ferromagnetic (C) Paramagnetic (D) Non-magnetic List-II:...Not in JEE Advanced syllabus
- A sheet is placed on a horizontal surface in front of a strong magnetic pole. A force is needed to : A. hold the sheet there if...Not in JEE Advanced syllabus
- An iron bar of length L has magnetic moment M. It is bent at the middle of its length such that the two arms make an angle 60^...Not in JEE Advanced syllabus
- An iron rod of susceptibility 599 is subjected to a magnetising field of 1200 A m^ -1 . The permeability of the material of the...Not in JEE Advanced syllabus
- A solenoid has a core made of material with relative permeability 400. The magnetic field produced in the interior of solenoid is...Not in JEE Advanced syllabus
- The net magnetic flux through any closed surface is :Not in JEE Advanced syllabus
- A straight magnetic strip has a magnetic moment of 44 Am². If the strip is bent in a semicircular shape, its magnetic moment will...Not in JEE Advanced syllabus
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