Electrical Engineering - Transformers - Discussion

Discussion Forum : Transformers - General Questions (Q.No. 17)
17.
A transformer
changes ac to dc
changes dc to ac
steps up or down dc voltages
steps up or down ac voltages
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
23 comments Page 2 of 3.

Praveen said:   1 decade ago
@Veerababu.

Study about scott connection that will give you info about 2ph-3ph conversion.

Karthik said:   1 decade ago
May I know transformer is a voltage controlled or current controlled device?

Mandar said:   1 decade ago
Is it possible to starts the lamps without using a power supply?

Gambiza. A said:   9 years ago
A transformer is power alternating device. Works only AC supply.

Zia said:   1 decade ago
By using transformer we can step-up/step-down ac voltages only.

Sharmela said:   8 years ago
What will happened if the secondary transformer is zero?
(1)

Vinothkumar said:   1 decade ago
A transformer works on ac only.

It transforms power.

Veerababu said:   1 decade ago
How converts 2ph to 3ph supply with transformer ?

Rajesh said:   1 decade ago
Why transformer not works in the dc supply ?

MOUNIKA said:   1 decade ago
Frequency is responsible for flux linkages.


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