emi

Related Questions

• Two circuits have mutual inductance of 0.1 H. What average e.m.f. is induced in one circuit when the current in the other circuit changes from 0 to 20 A in 0.02 s

  ---

• A coil has 2000 turns and area of $70c{m^2}$. The magnetic field perpendicular to the plane of the coil is $0.3Wb/{m^2}$and takes $0.1 sec$ to rotate through ${180^o}$. The value of the induced e.m.f. will be

  ---

• Plane of eddy currents makes an angle with the plane of magnetic lines of force equal to

  ---

• In a step up transformer, 220 V is converted into 200 V. The number of turns in primary coil is 600. What is the number of turns in the secondary coil

  ---

• Which of the following is constructed on the principle of electromagnetic induction

  ---