A transformer of 480 turns in the primary coil is used to connect a 9V a.c electric device to a 240V a.c mains supply. Calculate...

      

A transformer of 480 turns in the primary coil is used to connect a 9V a.c electric device to a 240V a.c mains supply. Calculate the number of turns in the secondary coil.

  

Answers


Alice
Np=480
Es=9V
Ep=240
Ep/Es=Np/Ns
240/9=480/y
y=(9x480)รท240=18turns
Alambi answered the question on February 12, 2019 at 14:49


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