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
25 W
0 W
250 W
2.5 W
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
58 comments Page 4 of 6.

BABU said:   1 decade ago
Transformer is a constant power, constant frequency, constant flux device irrespective of load.

Nathan said:   1 decade ago
No losses is observe. That is why it is called ideal.

So 25 watts will remain in the output.

Sulthana said:   1 decade ago
Yes it is right in ideal transformer input power is equal to output power and it is constant.

Souvik said:   1 decade ago
If it is not ideal transformer then what will be the answer ? and please tell the methods.

Tapabrata said:   1 decade ago
In ideal transformer, efficiency always 100%.

Input power == output power.

So ans is 25.

Arun Kumar Raju C said:   1 decade ago
Since it is an ideal transformer, power at primary winding is same as secondary winding.

Piyush said:   1 decade ago
Because this Transformer is IDEAL transformer. Then no loss in the ideal transformer.

Theja said:   10 years ago
If the transformer is ideal then,

Input power = Output power.

Answer is 25W.

Atul devraj said:   1 decade ago
Because transformer is ideal so power is equal in both primary and secondary.

Abdul said:   8 years ago
Why power transformer is designed to have max efficiency at full load?


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