In a step - down transformer having primary to secondary turn ratio `20:1` the input voltage applied is `250V` and output current is `8A` Assuming `100%` efficiency calculate the
(a) voltage across secondary coil
(b) current in primary coil
(c) power output .

In a step-down transformer having primary to secondary turn ratio 10:1, the input voltage applied is 250V and outout current is 10 A. Assuming 100% efficiency, calculate the (i) voltage across secondary coil (ii) current in primary coil (iii) power output

In a step-down transformer having primary to secondary turn ratio 10:1, the input voltage applied is 250V and outout current is 10 A. Assuming 100% efficiency, calculate the (i) voltage across secondary coil (ii) current in primary coil (iii) power output

An ideal step -up transformer has a primarycoil of 120 turns . The transformation ratio is 100 . If the input voltage and power are 230 V and 1000 W respectively, calculate (i) number of turns in the secondary coil . (ii) voltage across the secondary coil. (iii) current in the primary coil . (iv) current in the secondary coil. (v) power in the secondary coil.

The primary coil of an ideal stepup transformer has 100 turns and the transformer ratio is also 100. The input voltage and power are 220 V and 1100 W. Calculate (i) number of turns in secondary (ii) current in primary (iii) voltage across secondary (iv) current in secondary (v) power in secondary.

The primary coil of an ideal step-up transformer has 100 turns, and the transformation ratio is also 100. The input voltage and power are 220 V and 1100 W , respectively, Calculate the voltage across the secondary

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

The primary coil of an ideal step up transformer has 100 turns and transformation ratio is also 100. The input voltage and power are respectively 220 V and 1100w. Calculate (a) number of turns in secodary (b) current in primary ( c) voltage across secodary (d) current in secondary ( e) power in secondary

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.