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.Management Sciences
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
Related Mcqs:
- The magnetic reluctance of a material______________?
- A. decreases with increasing cross sectional area of material B. increases with increasing cross-sec-tional area of material C. does not vary with increasing cross-sectional area of material D. any of the above...
- The Biot-savart’s law is a general modification of_______________?
- A. Kirchhoffs law B. Lenz’s law C. Ampere’s law D. Faraday’s laws...
- 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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