It is made with any material with very low permeability. its ferromagnetic domai

Question

It is made with any material with very low permeability. its ferromagnetic domains can be magnetized in the same direction. us ferromagnetic domains will not saturate when exposed to strong magnetic fields. its ferromagnetic domains can not be magnetized in any direction. The direction or rotation of o DC motor (with an electromagnetic field) can be reversed by reducing the strength of the magnet field. increasing the strength of the magnet field. reversing the direction of the field and the polarity applied to the armature. reversing (he polarity on the armature only. A short-shunt compound generator supplies 50 A at 300 V. If the field resistance is 30 ohm, the senes resistance 0.ohm and the armature resistance 0.05 ohm, determine the e.m.f. generated.

Explanation / Answer

22- C create a residual magnetic field in the magnetic circuit.
23- D produce a DC output voltage
24- B Its ferromagnetic domains can be magnetized in the same direction.
25- D Reversing the polarity on the armature only.

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