Tagged Questions
3
votes
1answer
242 views
Why does a transformer's ratio change?
I've connected various transformers to a circuit (one at a time) in reverse (power supplied to secondary) and I measured the voltages at both windings and found ratios very different from the ones ...
5
votes
4answers
335 views
Physical properties of transformers
In class, we were given equations for the transformer in terms of number of turns primary/secondary and coupling coefficient K, however effect of distance between coils, presence/absence of core, and ...
18
votes
8answers
778 views
Is there a dual of the transformer?
Capacitors and inductors are duals of each other.
A transformer is made of two inductors, and transfers power through mutual inductance, through the magnetic near-field (right?) Also, you can vary ...
