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.Management Sciences
A. fluctuates off and on
B. varies in magnitude alone
C. changes its direction again and again
D. changes its magnitude continuously and reverses its direction of flow after regularly recurring intervals.
Related Mcqs:
- Higher the self-inductance of a coil_____________?
- A. lesser its weber-turns B. lower the e.m.f. induced C. greater the flux produced by it D. longer the delay in establishing steady current through it...
- The self inductances of two coils are 8 mH and 18 mH. If the co-efficients of coupling is 0.5, the mutual inductance of the coils is______________?
- A. 4 mH B. 5 mH C. 6 mH D. 12 mH...
- The co-efficient of coupling between two air core coils depends on____________?
- A. self-inductance of two coils only B. mutual inductance between two coils only C. mutual inductance and self inductance of two coils D. none of the above...
- The practical illustration of the phenomenon of mutual induction is____________?
- A. A.C generator B. D.C dynamo C. induction coil D. transformer...
- The emf induced in a conductor of unit length moving with unit velocity at right angles to a magnetic field is equal to_____________?
- A. Magnetic flux density B. Torque C. Mutual induction D. Motional emf...
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