The transformer ratio of transformer is `10 : 1`. The current in the primary circuit if the secondary current required is `100 A` assuming the transformer be ideal, is

The transformer ratio of transformer is 10 : 1 . If the primary voltage is 440 V , secondary emf is

The ratio of primary voltage to secondary voltage in a transformer is 'n' . The ratio of the primary current to secondary current in the transformer is

The ratio of primary voltage to secondary voltage in a transformer is 'n'. The ratio of the primary current to secondary current in the transformer is

The transformer ratio of a transformer is 5. If the primary voltage of the transformer is 400 V, 50 Hz the secondary voltage will be

Turn ratio of a step-up transformer is 1 : 25. If current in load coil is 2A, then the current in primary coil will be :

The transformer ratio of a transformer is 5. If the primary voltage of the transformer is 400 V, 50 Hz, the secondary voltage will be

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