The primary winding of the transformer contains 2200 turns of wire, and the secondary one 120 turns
| April 26, 2021 | education
The primary winding of the transformer contains 2200 turns of wire, and the secondary one 120 turns. What will be the voltage at the terminals of the secondary winding if 220 volts are applied to the primary winding?
Transformation ratio
K = N2 / N1,
Where
N2 is the number of turns of the secondary winding;
N1 is the number of turns of the primary winding.
Voltage at the terminals of the secondary winding
U2 = U1 * K = U1 * N2 / N1;
U2 = 220 * 120/2200 = 12V.
Answer: the voltage at the terminals of the secondary winding is 12 V.
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