An ideal transformer has 5,000 turns on its primary coil . It is to be used to convert a mains supply of 230 V.to an alternating voltage having a peak value of 9.0 V. Calculate the number of turns on the secondary coil.

The primary coil of an ideal stepup transformer has 100 turns and the transformer ratio is also 100. The input voltage and power are 220 V and 1100 W. Calculate nuber of turns in the secondary.

The primary coil of an ideal stepup transformer has 100 turns and the transformer ratio is also 100. The input voltage and power are 220 V and 1100 W. Calculate the current in the secondary

A transformer whose efficiency is 90%, draws 5 A when 200 V is applied to its primary coil. If output is drawn at 300 V, what is the current in secondary coil ? If number of turns in primary coil is 500, what is the number of turns in secondary coil?

The primary coil of an ideal stepup transformer has 100 turns and the transformer ratio is also 100. The input voltage and power are 220 V and 1100 W. Calculate voltage across the secondary

Show diagramatically two different arrangements used for winding the primary and secondary coils in a transformer. Assuming the transformer to be an ideal one write expressions fo rthe ratio of its output current to input current in terms of the number of turns in the primary and secondary coils. Mention two reasons for energy losses in an actual transformer.

A transformer has 200 windings in the primary and 400 windings in the secondary. The primary is connected to an a.c. supply of 110 V and a current of 10 A flows in it The voltage across the secondary and the current in its respectively are

A step -down transformer converts a voltageof 2,200 V into 220 V in the transmission line. Number of turns in primary coil is 5,000. Efficiency of transformer is 90% and its output power is 8 kW. Calculate number of turns in secodnary coil.

The primary winding of transformer has 500 turns whereas its secondary has 5000 turns. The primary is connected to an ac supply of 20V,50Hz. The secondary will have an output of

The primary coil of an ideal stepup transformer has 100 turns and the transformer ratio is also 100. The input voltage and power are 220 V and 1100 W. Calculate the current in the primary

An a.c. voltage of 200 V is applied to the primary of a transformer and voltage of 2,000 V is obtained form the secondary. Calculate the ratio of the currents through the primary and secondary coils.