Electrical Engineering - Transformers - Discussion
Discussion Forum : Transformers - True or False (Q.No. 7)
7.
A step-up transformer steps up power.
Discussion:
12 comments Page 2 of 2.
Hudaya mani said:
1 decade ago
Yes correct good ans.
Kartheek said:
1 decade ago
If power factor is not consider p=vi
v2/v1=i1/i2=n2/n1
=> v2=1/i2and v1=1/i1 and the product is v1i1=v2i2 =constant
in other words if a transformer steps up voltage means step down current.
v2/v1=i1/i2=n2/n1
=> v2=1/i2and v1=1/i1 and the product is v1i1=v2i2 =constant
in other words if a transformer steps up voltage means step down current.
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