Mar 30, 2015
6.19 know and use the relationship between input (primary) and output (secondary) voltages and the turns ratio for a transformer
input (primary) voltage / output (secondary) voltage = primary turns / secondary turns
Vp / Vs = Np / Ns
for example
a transformer has 100 turns on its primary coil and 500 turns on its secondary coil. if an alternating voltage of 2V is supplied across the primary, what is the voltage across the secondary coil?
100 / 500 = 2V / S
(500 x 2) ÷ 100 = S
S = 10V