Electrical Engineering Quiz 20
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Know MoreQuestion 1
A 200 turn coil having an axial length of 30 mm and a radius of 10 mm is
pivoted in a magnetic field having a flux density of 0.8 T. If the coil carries a
current of 0.5 A, the torque acting on the coil will be
[Hint. Torque = 2BIlNr N-m]
Question 2
The electromagnet has 50 turns and a current of 1A flows through the coil. If
the length of the magnet circuit is 200 mm, what is the magnetic field strength ?
Question 3
What is the magnitude and the direction of force per 1.1m length of a pair of
conductors of a direct current linecarrying 10 amperes and spaced 100 mm apart ?
Question 4
A square cross-sectional magnet has a pole strength of 1 x 10 Wb and cross
sectional area of 20 mm x 20 mm. What is the strength at a distance of 100 mm
from the unit pole in air ?
Question 5
The unit of flux is the same as that of
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ESE & GATE EEGeneral