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A. less than that of disc but in opposite direction
B. equal to that of disc and in the same direction
C. equal to that of disc and in the opposite direction
D. less than that of disc and in the same direction
Related Mcqs:
- In a simple magnetic field the strength of magnet flux_______________?
- A. is constant and has same value in energy part of the magnetic field B. increases continuously from initial value to final value C. decreases continuously from initial value to final value D. first increases and then decreases till it becomes zero...
- he retentivity (a property) of material is useful for the construction of__________?
- A. permanent magnets B. transformers C. non-magnetic substances D. electromagnets...
- 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 ?
- A. 2500 AT/m B. 250 AT/m C. 25 AT/m D. 2.5 AT/m...
- The main constituent of permalloy is_____________?
- A. cobalt B. chromium C. nickel D. tungsten...
- Magnetising steel is normals difficult because____________?
- A. it corrodes easily B. it has high permeability C. it has high specific gravity D. it has low permeability...
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