Magnetism And Matter
6 previous year questions.
High-Yield Trend
Chapter Questions 6 MCQs
A toroid with 500 turns of wire carries a current of (2 ) Ampere. A metal ring inside the toroid provides the core and has susceptibility of 2x10-5. If the magnetization 5x10-2 A/m, then radius of the ring is:
50 cm
20 cm
cm
20 cm
60 cm
In the magnetic meridian of a certain plane,the horizontal component of earth's magnetic field is 0.36 Gauss and the dip angle is 60°. The magnetic field of the earth at location is:
0.72 Gauss
0.18 Gauss
0.42 Gauss
0.56 Gauss
0.81 Gauss
A current-carrying long solenoid is formed by winding 200 turns per cm. If the number of turns per cm is increased to 201, keeping the current constant, then the magnetic field inside the solenoid will change by:
About Magnetism And Matter - KEAM
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