Problem

A transformer consisting of

300

turns in the primary and

150

turns in the secondary gives output power of

2.2 \text{ kW}

. If the current in the secondary coil is

10 \text{ A}

, then the input voltage and current in the primary coil are : a.

220 \text{ V}

and

20 \text{ A}

440 \text{ V}

and

20 \text{ A}

440 \text{ V}

and

5 \text{ A}

220 \text{ V}

and

10 \text{ A}