A step-up transfomer operates on a 220 volt line and supplies to load, a current of 2A. The ratio of primary and secondary winding is 1 : 25. Calculate secondary voltage, primary current and power output, if efficiency is 80%`

A step up transformer operates on a 230 V line and a load current of 2 ampere. The ratio of the primary and secondary windings is 1 : 25 . What is the current in the primary?

A slep-up transformer operates on 220 V line and supplies 2.2 A. The ratio of primary and secondary winding is 11 : 50, The output voltage in the secondary is

A step - up transformer operates on 220V line and supplies 22A .The ratio of primary and secondary winding is 11:50. The output voltage in the secondary is

A step-up transformer works on 220 V and gives 2 A to an external resistor. The turn ratio between the primary and secondary coils is 2 : 25. Assuming 100% efficiency, find the secondary voltage, primary current and power delivered respectively

A step-down transformer is connected to 2400 volts line and 80 amperes of current is found to flow in output load. The ratio of the turns in primary and secondary coil is 20:1. if transformer efficiency is 100% , then the current flowing in primary coil will be