A. copper
B. aluminium
C. soft iron
D. brass
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Related Mcqs:
- Indicate which of the following material does not retain magnetism permanently
- A. Soft iron B. Stainless steel C. Hardened steel D. None of the above...
- Magnetism of a magnet can be destroyed by_____________?
- A. heating B. hammering C. by inductive action of another magnet D. by all above methods...
- The magnetism left in the iron after exciting field has been removed is known as____________?
- A. permeance B. residual magnetism C. susceptance D. reluctance...
- Materials subjected to rapid reversal of magnetism should have______________?
- A. large area oiB-H loop B. high permeability and low hysteresis loss C. high co-ercivity and high retentivity D. high co-ercivity and low density...
- Reciprocal of permeability is____________?
- A. reluctivity B. susceptibility C. permittivity D. conductance...
- he retentivity (a property) of material is useful for the construction of_______________?
- A. permanent magnets B. transformers C. non-magnetic substances D. electromagnets...
- he retentivity (a property) of material is useful for the construction of__________?
- A. permanent magnets B. transformers C. non-magnetic substances D. electromagnets...
- Which of the following is a ferromagnetic material ?
- A. Tungsten B. Aluminium C. Copper D. Nickel...
- A material which is slightly repelled by a magnetic field is known as_____________?
- A. ferromagnetic material B. diamagnetic material C. paramagnetic material D. conducting material...
- For which of the following materials the saturation value is the highest ?
- A. Ferromagnetic materials B. Paramagnetic materials C. Diamagnetic materials D. Ferrites...
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