Electrical Engineering - Transformers - Discussion
Discussion Forum : Transformers - General Questions (Q.No. 9)
9.
If 25 W of power are applied to the primary of an ideal transformer with a turns ratio of 10, the power delivered to the secondary load is
Discussion:
58 comments Page 1 of 6.
HAris said:
6 years ago
No, doubt in ideal input=output so the answer is correct = 25W.
But if we calculate it:
E2/E1 = I1/I2 = N2/N1.
THEN,
E2*I2/E1*I1 = N2/N1.
P2/P1 = K
P2 = K*P1
P2 = 10*25 = 250W THEN, THIS WILL BE THE ANSWER.
But if we calculate it:
E2/E1 = I1/I2 = N2/N1.
THEN,
E2*I2/E1*I1 = N2/N1.
P2/P1 = K
P2 = K*P1
P2 = 10*25 = 250W THEN, THIS WILL BE THE ANSWER.
(4)
Ecet said:
3 years ago
An ideal transformer is one that has no losses. Its winding has no ohmic resistance, there is no magnetic leakage.
That means to input power = output power.
That means to input power = output power.
(3)
Abishek said:
5 years ago
Simply. The transformer is a machine which do not change the power and the frequency. It is only to change the voltage level
(1)
Deepak said:
6 years ago
Because we know that
(V2/V1)=(I1/I2) --------------------------> (1)
To solving this (V2*I2)=(V1*I1) -------------------------> (2)
And we know that power=V*I
Then from equation (2) P2=P1.
The power of the primary side will be equal to the power of secondary side.
(V2/V1)=(I1/I2) --------------------------> (1)
To solving this (V2*I2)=(V1*I1) -------------------------> (2)
And we know that power=V*I
Then from equation (2) P2=P1.
The power of the primary side will be equal to the power of secondary side.
(1)
Sai reddy said:
8 years ago
Basically ideal transformer means I/P = O/P.
So 25kw = 25kw.
So 25kw = 25kw.
(1)
Chan said:
9 years ago
Why they give turns ratio?
Ajay said:
1 decade ago
For a transformer power is always constant.
Theja said:
10 years ago
If the transformer is ideal then,
Input power = Output power.
Answer is 25W.
Input power = Output power.
Answer is 25W.
Nivetha said:
10 years ago
For an ideal transformer the input is equal to the output.
Sujata said:
10 years ago
Is there any difference between power and rating of transformer?
Because in above problem they have given power in W, where as rating is given in KVA.
Because in above problem they have given power in W, where as rating is given in KVA.
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