Electrical Engineering - Transformers - Discussion
Discussion Forum : Transformers - General Questions (Q.No. 3)
3.
When the turns ratio of a transformer is 20 and the primary ac voltage is 12 V, the secondary voltage is
Discussion:
69 comments Page 3 of 7.
MAC FRANCIS said:
1 decade ago
VS/VP = TS/TP.
VS = VP*20.
VS = 12*20.
VS = 120 V.
VS = VP*20.
VS = 12*20.
VS = 120 V.
Anand said:
1 decade ago
Actually turn ratio of transformer is given by n1/n2.
Therefore if turn ratio is 20 then the answer is 12/20. There is some mistake in the question.
Therefore if turn ratio is 20 then the answer is 12/20. There is some mistake in the question.
Mahmoud said:
1 decade ago
n1/n2 = v1/v2.
20 = 12/v2.
v2 = 12/20 = 0.6 v.
20 = 12/v2.
v2 = 12/20 = 0.6 v.
DEEPAK said:
1 decade ago
0.6 is the correct answers.
Because turns ration is (v1/v2) = (t1/t2) and it is given (t1/t2) = 20 and v1 = 12. So the answer v2 = (12/20).
Because turns ration is (v1/v2) = (t1/t2) and it is given (t1/t2) = 20 and v1 = 12. So the answer v2 = (12/20).
PREM PRAKASH KNIT SULTANPUR said:
1 decade ago
v1/v2 =1/k.
12/v2 = 1/20.
v2 = 240v.
12/v2 = 1/20.
v2 = 240v.
KIRAN .,SURESH said:
1 decade ago
Given that N2/N1 = 20.
V1 = 12.
V2/V1 = N2/N1 = 20.
So V2 = 20*V1.
= 20*12.
= 240.
V1 = 12.
V2/V1 = N2/N1 = 20.
So V2 = 20*V1.
= 20*12.
= 240.
Nirupam said:
1 decade ago
Turn ratio = T1/T2, this is always put in order input : output, which is primary : secondary.
And T1/T2 = V1/V2 = 20.
Or, 12/V2 = 20.
Hence V2 = 12/20 = 0.6 volt.
And T1/T2 = V1/V2 = 20.
Or, 12/V2 = 20.
Hence V2 = 12/20 = 0.6 volt.
Lauren said:
1 decade ago
On my research:
Turn Ratio = Vpri/Vsec = Npri/Nsec.
Transformation Ratio = Vsec/Vpri.
Please verify the formula.
Turn Ratio = Vpri/Vsec = Npri/Nsec.
Transformation Ratio = Vsec/Vpri.
Please verify the formula.
Jatin said:
1 decade ago
Yes 0.6 is the right answer because we must follow the transformation rule. That is n1/n2=v1/v2=i2/i1=k.
Than 240 is wrong answer.
Than 240 is wrong answer.
Abdul Rauf Ansari said:
1 decade ago
We know that:
Turn ratio of transformer is define as the ratio of turns of the wire in the primary winding to the number of turns of the wire in secondary winding.
i.e Turn ratio = N1/N2.
Given: N1/N2 = 20.
Primary side voltage V1= 12 volt.
Secondary voltage V2 = ?
Hence according to voltage transformation ratio.
V2/V1 = N2/N1 = I1/I2 = K.
Or, V2/V1 = N2/N1.
Or, V2 = N2/N1*V1.
= 1/20*12.
= 0.6 volt.
Turn ratio of transformer is define as the ratio of turns of the wire in the primary winding to the number of turns of the wire in secondary winding.
i.e Turn ratio = N1/N2.
Given: N1/N2 = 20.
Primary side voltage V1= 12 volt.
Secondary voltage V2 = ?
Hence according to voltage transformation ratio.
V2/V1 = N2/N1 = I1/I2 = K.
Or, V2/V1 = N2/N1.
Or, V2 = N2/N1*V1.
= 1/20*12.
= 0.6 volt.
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