A. which is a good conductor
B. which is a bad conductor
C. which is a strong magnet
D. through which the magnetic lines of force can pass very easily
Related Mcqs:
- Magnetism of a magnet can be destroyed by_____________?
A. heating
B. hammering
C. by inductive action of another magnet
D. by all above methods - How does the magnetic compass needle behave in a magnetic field ?
A. It assures a position right angle to magnetic field
B. It starts rotating
C. It assures a position which follows a line of magnetic flux
D. None of the above - What will be the magnetic potential difference across the air gap of 2 cm length in magnetic field of 200 AT/m ?
A. 2 AT
B. 4 AT
C. 6 AT
D. 10 AT - A rectangular magnet of magnetic moment M is cut into two piece of same length, the magnetic moment of each piece will be______________?
A. M
B. M/2
C. 2 M
D. M/4 - The materials are a bit inferior conductors of magnetic flux than air
A. ferromagnetic
B. paramagnetic
C. diamagnetic
D. dielectric - 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 ?
A. 63.38 N/Wb
B. 633.8 N/Wb
C. 6338 N/Wb
D. 63380 N/Wb - Out of the following statements, concerning an electric field, which statement is not true ?
A. The electric intensity is a vector quantity
B. The electric field intensity at a point is numerically equal to the force exerted upon a charge placed at that point
C. An electric field is defined as a point in space at which an electric charge would experience a force
D. Unit field intensity in the exertion of a force of one newton on a charge of one coulomb - One telsa is equal to___________?
A. 1 Wb/mm2
B. 1 Wb/m
C. 1 Wb/m2
D. 1 mWb/m2 - Ferrites are a sub-group of_______________?
A. non-magnetic materials
B. ferro-magnetic materials
C. paramagnetic materials
D. ferri-magnetic materials - Which of the following is a vector quantity ?
A. Relative permeability
B. Magnetic field intensity
C. Flux density
D. Magnetic potential
