In a transformer, the incoming primary voltage is 120 V. There are 100 windings in the primary coil. The secondary coil has 65 windings. What is the outgoing voltage of this transformer?

78.02V

Explanation:

Vp/Vs=Np/Ns

Vp(Primary Voltage)=120V

Vs(Secondary Voltage)= x

Np(Turns in Primary coil)=100

Ns(Turns in secondary coil)=65

120/x=100/65

do the math or use a calculator*

x=78; so the secondary voltage is 78.02

i have no idea where the .02 comes from but i took the test and its right

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