Electrical Engineering - Transformers - Discussion

Discussion Forum : Transformers - General Questions (Q.No. 2)
2.
The turns ratio required to match an 80 source to a 320 load is
80
20
4
2
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
101 comments Page 2 of 11.

B shirisha said:   8 years ago
Load impedance ÷ source impedance.

Jh71pa said:   8 years ago
Is it 2:1 or 1:2? Please tell me clearly.

Mallikarjun Bhirade said:   8 years ago
Explanation:- Given Data, R1=80 Ohms, R2=320 Ohms, We have, R2/R1=K^2
Where, K=Transformation Ratio

Now, K^2=320/80=4 => K=√(4)=2
But, Turns Ratio = 1/K, Now, Turns Ratio = 1/2 =0.5 only!

Harsha said:   8 years ago
If √(n2/n1) is turns ratio then what is n2/n1?

Jayakarthick said:   8 years ago
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Jayakarthick said:   8 years ago
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Jayakarthick said:   8 years ago
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Dorsing said:   8 years ago
Given that,

R1=80 ohm
R2=320 ohm
Transformer Ratio,
K = N1/N2 = V1/V2=R2/R1=I2/I1.
K=R2/R1.
= 320/80=4.


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