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

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

A step down transformer has turns ratio 40:1. (i) If the primary voltage is 240V, calculate the secondary voltage. (ii) If the secondary current is 4A, calculate the primary current.

In a stap-up transformer, if ratio of turns of primary to secondary is 1 : 10 and primary voltage is 230 V. If the load current is 2 A, then currect in primary is

In a step up transformer , the transformation ratio is 100. The primary voltage is 200V and input power is 1000 watt.The number of turns in the primary is 100. Calculate the voltage across the secondary

In a step up transformer, if ratio of turns of primary to secondary is 1:10 and primary voltage si 230 V . If the load current is 2A . Then the current in primary is

In a step up transformer, if ratio of turns of primary to secondary is 1:10 and primary voltage si 230 V . If the load current is 2A . Then the current in primary is