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Magnetism Physics - Magnetism

Jharkhand Board (JAC) - STD 12 Science - Physics (Jharkhand - English Medium). 303 questions in this chapter.

Question types

Magnetism question types

303 questions across 1 question group — pick any mix to generate a Physics paper with step-by-step answer keys.

303
Questions
1
Question groups
5
Question types
Sample Questions

Magnetism questions

One sample from each question group in this chapter. Select any group above to see the full set with answer keys.

Q 1M.C.Q (1 Marks)1 Mark
Assertion : A compass needle when placed on the magnetic north pole of the earth rotates in vertical direction.
Reason : The earth has only horizontal component of its magnetic field at the north poles.
  • A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • C
    If assertion is true but reason is false.
  • ✓
    If the assertion and reason both are false.

Answer: D.

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Q 2M.C.Q (1 Marks)1 Mark
Assertion : Basic difference between an electric line and magnetic line of force is that former is discontinuous and the latter is continuous or endless.
Reason : No electric lines of forces exist inside a charged body but magnetic lines do exist inside a magnet.
  • ✓
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • C
    If assertion is true but reason is false.
  • D
    If the assertion and reason both are false.

Answer: A.

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Q 3M.C.Q (1 Marks)1 Mark
Assertion : Magnetic moment of an atom is due to both, the orbital motion and spin motion of every electron.
Reason : A charged particle produces a magnetic field.
  • A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • ✓
    If assertion is true but reason is false.
  • D
    If the assertion and reason both are false.

Answer: C.

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Q 4M.C.Q (1 Marks)1 Mark
Assertion : Gauss theorem is not applicable in magnetism.
Reason : Mono magnetic pole does not exist.
  • ✓
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • C
    If assertion is true but reason is false.
  • D
    If the assertion and reason both are false.

Answer: A.

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Q 5M.C.Q (1 Marks)1 Mark
Assertion : For a perfectly diamagnetic substance permeability is always one.
Reason : The ability of a material of permit the passage of magnetic lines of force through it is called magnetic permeability.
  • A
    If both assertion and reason are true and the reason is the correct explanation of the assertion.
  • B
    If both assertion and reason are true but reason is not the correct explanation of the assertion.
  • C
    If assertion is true but reason is false.
  • ✓
    If assertion is false but reason is true.

Answer: D.

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