The primary coil of an electric train transformer has 400 turns and the secondary has 50....

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Question

The primary coil of an electric train transformer has 400 turns and the secondary has 50....

The primary coil of an electric train transformer has 400 turns and the secondary has 50. If the input voltage V_P= 120V what is the output voltage?

What of the following statements is/are correct?

Transformers work only with DC sources;
Transformers work only with AC sources;
The effect utilized in transformer is based on the Faraday’s law;
The effect utilized in transformer is based on the Ohm’s law;
A and D;
B and C.

science physics

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Answer 1

Answer #1

s Ne=so turns Np = 400 turns Vp- 120v Rnow that Vs As ملخ 30 400 120 Vo = TSV

Transformers only work with AC sources and the effect utilized in them is Faraday's Law so

Option F is correct

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Answer 2

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