The output voltage of a transformer connected to `220` voltl line is `1100` volt at `1`amp current. Its efficiency is `100%` the current coming from the line is

A transformer connected to 220 volt line shows an output of 2A at 11000 volt. The efficiency is 100% . The current drawn from from the line is

A transformer connected to 220 volt line shows an output of 2A at 11000 volt. The efficiency is 1005 . The current drawn from the line is

A step down transformer, connected to mains supply 240V is made to operate a 12V 36W lamp. Assume 100% efficiency. Estimate current in the primary circuits.

If the input voltage of a transformer is 2500 volts and output current is 80 ampere . The ratio of number of turns in the primary coil to that in secondary coil is 20 : 1 . If efficiency of transformer is 100 % , then the voltage in secondary coil as :

If the input voltage of a transformer is 2500 volts and output current is 80 ampere . The ratio of number of turns in the primary coil to that in secondary coil is 20 : 1 . If efficiency of transformer is 100 % , then the voltage in secondary coil as :

A stepdown transformer reduces the voltage of a transmission line from 2200 V to 220 V. The power delivered by it is 880 W and its efficiency is 88%. The input current is

A step-down transfomer reduces the voltage of a transmission line from 2200 V to 220 V. the power delivered by it is 880 W and its efficiency is 88%. The input current is

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