Question

A transformer with X turns in primary coil and Y turns in secondary coil is used to change the magnitude of voltage to 240 V. Calculate the input voltage and name the type of transformer if Y= 2 X.​

Answer 1

The input voltage is 120 V and the transformer is a step up transformer due to increase in the voltage induced in the secondary coil.

Input voltage

The input voltage of the transformer is the voltage of the primary coil and it is calculated as follows;

Ns/Np = Es/Ep

where;

• Ns is the number of turn in the secondary coil
• Np is the number of turn in the primary coil
• Es is the secondary voltage
• Ep is the primary voltage

2X/X = 240/Ep

2 = 240/Ep

Ep = 240/2

Ep = 120 V

Thus, the transformer is a step up transformer due to increase in the voltage induced in the secondary coil.

Learn more about transformer here: brainly.com/question/25886292

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