The Back E

question 12

Multiple Choice

The back e.m.f. in the stator of a synchronous motor depends on

• A)number of poles
• B)flux density
• C)rotor speed
• D)rotor excitation

---

Definitions:

Type B Blood

One of the ABO blood types characterized by the presence of the B antigen on red cells and the presence of anti-A antibody in the plasma.

Type O Blood

A blood type characterized by the absence of A and B antigens on red cells and in plasma, making it a universal donor type for red blood cell transfusion.

Multiple Genes

The involvement of two or more genes in influencing a particular trait, characteristic, or phenotype, often leading to a wider range of possible outcomes.

Trait

A distinguishing quality or characteristic, typically one belonging to a person.