Question

What does the window space factor depend on?

(a) it depends on the core

(b) it depends on the armature

(c) it depends on the insulation

(d) it depends on the insulation and copper

The question was asked during an online interview.

I would like to ask this question from Window Space Factor in chapter Design of Transformers of Design of Electrical Machines

Answer 1

Right choice is (d) it depends on the insulation and copper

For explanation I would say: Window space factor totally depends on the insulation of the machine. It also depends on the copper windings provided.