Computer Programming MCQs Electrical Engineering Mcqs
Q 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 A. Ωb/r22-r12/δt
  • B B. Ωb(r2-r1)2/δt
  • C C. Ωb(r22-r12)/δt
  • D D. Ωb(r22+r12)/δt
Previous Self-inductance of a long solenoid is______________?
Next Self inductance of a coil depends upon________________?
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