The ratio of the number of turns in primary and secondary coil of a step up transformer is 1:200. It is connected to a.c. mains of 220 volt. Calcualte the voltage developed in the secondary. Determine the maximum current in secondary coil, when a current of ampere flows through the primary.

The ratio of the number of turns in the primary and the secondary coils of a step down transformer is 1:200 . It is connected to a.c. mains of 200 V. Calculate the voltage developed in the secondary. Determine the value of maximum current in the secondary, when a current of 2.0 A flows through the primary.

The ratio of number of turns in primary and secondary coil of a transformer is 1:20 the ratio of current in primary and secondary coils will be ....

The turns ratio of a transformer is 12.5. If its primary is connected with a.c. mains of 220 V, determine the voltage obtained across the secondary.

The number of turns in primary and secondary coil of transformer are 1000 to 5000 and 90 V ac is applied to primary, hence the voltage at the secondary is

The number of turns in primary and secondary coils of a transformer is 50 and 200 respectively .If the current in the primary coil is 4 A then the current in the secondary coil is

The ratio of the turns in the primary and secondary coils of transformer is1: 9. The ratio of the current in the primary to secondary is

The number of turns in primary and secondary coils of a transformer is 50 and 200, respectively. If the current in the primary coil is 4 A, then current in the secondary coil is