Electrical Engineering Mcqs

A synchronous motor connected to infinite bus-bars has at constant full load, 100% excitation and unity power factor. On changing the excitation only, the armature current will have_____________?

(A)  no change of power factor

(B)  lagging power factor with over-excitation

(C)  leading power factor with under-excitation

(D)  leading power factor with over-excitation

Submitted By :Ali Uppal

---

Share this...

Facebook

Twitter

Linkedin

Whatsapp

---

IF YOU THINK THAT ABOVE POSTED MCQ IS WRONG.

PLEASE COMMENT BELOW WITH CORRECT ANSWER AND ITS DETAIL EXPLANATION.

---

Related Mcqs

Which of the following is not a dimension of scalability ?

QoS stands for___________________?

Which of the following term is best defined by the statement:”The operations on each side of the interface have the same name but their parameter types or the number of parameters are different.” ?

A component model defines standards for_________________?

Which of the following is an essential principle of an architecture ?

---

Leave a Reply

Your email address will not be published. Required fields are marked *