2000V- 200V, 20kVA transformer has 66 turns in the secondary. Calculate the primary and secondary full-load current, neglect power losses in transformer.

A transformer with efficiency 80%works at 4 kW and 100 V.if the secondary voltage is 200V,then the primary and secondary currents are respectively

The primary winding of a transformer has 100 turns and its secondary winding has 200V turns. The primary is connected to an ac supply of 120V and the current flowing in it is 10A . The voltage and the current in the secondary are

The primary winding of a transformer has 100 turns and its secondary winding has 200 turns. The primary is connected to an ac supply of 120V and the current flowing in it is 10A . The voltage and the current in the secondary are

A transformer has 140 turns in the primary and 280 turns in the secondary. If current in primary is 4A, then the current in secondary will be …………

A transformer without power loss carries 4000 turns in the primary and 2000 turns in thw secondary. If the primary voltage is 120 V and the current is 0.2 A . Where are the thick wires to be used in this transformer - in the primary or secondary ? why ?

An a.c. voltage of 200 V is applied to the primary of a transformer and voltage of 2000 V is obtained from the secondary . Calculate the ratio of currents through primary and secondary coils.

A transformer converts 200 V ac into 2000 V ac. Calculate the number of turns in the secondary if the primary has 10 turns.