A 60 W load is connected to the secondary of a transformer whose primary draws line voltage. If a current of 0.54 A flows in the load, what is the current in the primary coil? Comment on the type of transformer being used.

contexto.120

3 years ago

is given as

Primary voltage is given as

The transformer is a step-down transformer because the secondary voltage is lower than the primary voltage.

The transformation ratio is,

On putting the values we get,