What torque acts on a 50 turn coil of 200 cm2 area carrying a current – McqOptions

MCQOPTIONS

1.	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?
A.	8 Nm
B.	0.8 Nm
C.	4 Nm
D.	0.8 Nm
Answer» D. 0.8 Nm

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 60o 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 cm2 area carrying a current of 20 A held with its axis at right angles to a uniform magnetic field of 0.2T?