The factor (( frac {eh}{4 pi m_e}) ) is the least value of the magnet – McqOptions

MCQOPTIONS

1.	The factor (( frac {eh}{4 pi m_e}) ) is the least value of the magnetic moment. This natural unit of magnetic moment is called Planck s constant.
A.	True
B.	False
Answer» C.

Discussion

No Comment Found

Related MCQs

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 60<sup>o</sup> with a magnetic field of 0.5 T?
Under which of these conditions, the torque acting on the current-carrying loop is minimum?
X is the product of the pole strength of either magnetic pole and the magnetic length of the magnetic dipole. Identify X.
The factor (( frac {eh}{4 pi m_e}) ) is the least value of the magnetic moment. This natural unit of magnetic moment is called Planck s constant.
Give the SI unit of magnetic pole strength.
Identify the factor on which the torque on a planar current loop does not depend.
Under which of these conditions, the torque acting on the current carrying loop is minimum?
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?
What torque acts on a 50 turn coil of 200 cm<sup>2</sup> area carrying a current of 20 A held with its axis at right angles to a uniform magnetic field of 0.2T?