in a step-up transformer, the turn ratio is `1:2` leclanche cell (e.m.f. 1.5V) is connected across the primary. The voltage devloped in the secondary would be

in a step-up transformer, the turn ratio is 1:2A leclanche cell (e.m.f. 1.5V) is connected across the primary. The voltage devloped in the secondary would be

In a step up transformer, the turn ratio is 3 : 2. A battery of EMF 4.5V is connected across the primary windings of transformer. The voltage developed in the secondary would be:

A step up transformer has turn ratio 10:1 . A cell of e.m.f 2 volts is fed to the primary . Secondary voltage developed is :

In a step up transformer, the turn ratio is 1:10. A resistance of 200 Omega connected across the secondary draws a current of 0.5 A. What is the primary voltage?

In a step-up transformer the turn ratio is 1:10 . A resistance of 200 ohm connected across the secondary is drawing a current of 0.5A . What is the primary voltage and current?

In a stepup transformer, the ratio of number of turns in primary and secondary coils is 1 : 10 . What voltage will develop in the secondary if the primary is connected to 220 V mains ? If the current drawn from the secondary is 2A, calculate the current through the primary

For a step-up transformer,the turns ratio is 3 and its efficiency is 0.75. The current flowing in the primary coil is 2A and the voltage applied to it is 100V . Then the voltage and the current flowing in the secondary coil are ............respectively :-

In a transformer the transformation ratio is 0.3. If 220 V ac is fed to the primary, then the voltage across the secondary is