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.Management Sciences
A. mechanical energy into electrical energy
B. electrical energy into mechanical energy
C. magnetic energy into mechanical energy
D. magnetic energy into electrical energy
Related Mcqs:
- 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...
- Inductors acts as a short circuit for_______________?
- A. AC B. DC C. Both A and B D. none of these...
- A coil of wire is arranged with its plane perpendicular to a uniform magnetic field o flux density B. when the radius of the coil increases from r1 to r2 in time Δt then what is the emf induced in the coil ?
- A. ωB/r22-r12/Δt B. ωB(r2-r1)2/Δt C. ωB(r22-r12)/Δt D. ωB(r22+r12)/Δt...
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