Physics

Problem

An ideal transformer has

N_p = 800

turns and

N_s = 40

turns. The primary is connected to a

220\,\text{V}

(rms) supply and draws a current of

0.25\,\text{A}

. What is the rms current in the secondary coil? a)

0.50\,\text{A}

5\,\text{A}

0.0125\,\text{A}

1.25\,\text{A}