Electrical Engineering - Transformers - Discussion

Discussion Forum : Transformers - General Questions (Q.No. 5)
5.
A certain transformer has 400 turns in the primary winding and 2,000 turns in the secondary winding. The turns ratio is
0.2
0.4
5
25
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
94 comments Page 4 of 10.

Bhairesh said:   1 decade ago
What is the definition for transformer ratio and turns ratio?

Lalu Prasad Yadav said:   1 decade ago
Transformer ratio is the ratio of avg. Of all turns ratio taken as sample of interval with 10 min in standard temperature, time and pressure. While length is always in ratio of velocity of square of light.

Ok. Got it?

Atul kumar said:   1 decade ago
Wrong. Because turns ratio is opposite to transformation ratio. Turns ratio = N1/N2 whereas N2/N1 is transformation Ratio.

Akash.bhure said:   1 decade ago
Solution:

No.of turns in the primary (N1) = 400.
No.of turns in the secondary (N2) = 2000.
Turns ratio(K) = N2/N1 = 2000/400 = 5.

MADAN PADMERE said:   1 decade ago
No.of turns in the primary (N1) = 400.

No.of turns in the secondary(N2) = 2000.

Turns ratio = N2/N1 = 2000/400 = 5.

Akash niranjan said:   1 decade ago
Turns ratio k = n2/n1.

n2 = 2000, n1 = 400 now k = 2000/400.

So k = 5.

Manikya singh said:   1 decade ago
N2/N1 = 2000/400 = 5/1.

So answer is 5.

Halwar Dattatray said:   1 decade ago
n2 = 2000.
n1 = 400.

We know,

k = n2/n1.
k = 2000/400.
k = 5.

Andy said:   1 decade ago
Turn ratio = n = vp/vs.
400/2000 = 0.2.

Uma rani panda said:   1 decade ago
We know,

Ratio = n2/n1 [k = n2/n1].

Than, k = 2000/400.

k = 5.

So, ratio is 5.


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