You have an ideal transformer nude up of a 400-tum primary coil and an 800-turn

Question

You have an ideal transformer nude up of a 400-tum primary coil and an 800-turn secondary coil. If you apply an rms AC voltage of 2.00V to the input, what your rms output voltage be? You have an ideal transformer made up of a 400-turn primary coil and an 800-turn secondary coil. If you apply a DC voltage of 2.00v to the input, what your output voltage be? You have an ideal transformer made up of a 400-turn primary coil and an 800-turn secondary coil. If you provide to the input, what will your output power be?

Explanation / Answer

a) as the transformer is ideal, its equation is
Vs/Vp=Ns/Np
so
Vs=Ns*Vp/Np= 800*2/400=4V

b) a transformer does not operate on DC so output =0V

c) for ideal transformer
input power= output power
so output power = 2W

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