Torque on Current Loop & Magnetic Dipole MCQ

Test your knowledge with important Torque on Current Loop & Magnetic Dipole MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Torque on Current Loop & Magnetic Dipole MCQs at Bissoy

• Give the SI unit of magnetic dipole moment.
  ক

  Am

  খ

  Am2

  গ

  Tm2

  ঘ

  Tm
• Calculate the torque on a 500 turn rectangular coil of length 20 cm and breadth 10 cm, carrying a current of 30 A, when placed making an angle of 60o with a magnetic field of 0.5 T?
  ক

  625 Nm

  খ

  125 Nm

  গ

  75 Nm

  ঘ

  25 Nm
• Under which of these conditions, the torque acting on the current-carrying loop is minimum?
  ক

  θ = 90o

  খ

  θ = 0o

  গ

  θ = 180o

  ঘ

  θ = 360o
• ‘X’ is the product of the pole strength of either magnetic pole and the magnetic length of the magnetic dipole. Identify X.
  ক

  Magnetic dipole

  খ

  Magnetic dipole moment

  গ

  Magnetic pole strength

  ঘ

  Magnetic dipole length
• Give the SI unit of magnetic pole strength.
  ক

  Tm

  খ

  Am2

  গ

  Am

  ঘ

  Tm2
• Identify the factor on which the torque on a planar current loop does not depend.
  ক

  Current

  খ

  Strength of magnetic field

  গ

  Area of the loop

  ঘ

  The shape of the loop
• Under which of these conditions, the torque acting on the current carrying loop is minimum?
  ক

  θ = 0o

  খ

  θ = 90o

  গ

  θ = 270o

  ঘ

  θ = 450o
• What is the maximum torque on a rectangular coil of area 4 cm × 80 cm of 400 turns, when carrying a current of 103 A in a magnetic field of 0.2 T?
  ক

  1250 Nm

  খ

  2560 Nm

  গ

  3600 Nm

  ঘ

  1985 Nm
• What torque acts on a 50 turn coil of 200 cm2 area carrying a current of 20 A held with its axis at right angles to a uniform magnetic field of 0.2T?
  ক

  8 Nm

  খ

  0.8 Nm

  গ

  4 Nm

  ঘ

  0.8 Nm