Advertisements
Advertisements
प्रश्न
On which type of current do transformers work?
Advertisements
उत्तर १
The transformer works on alternating current or A.C. current.
उत्तर २
No, they aren't suitable for use with direct current because, in the absence of a change in the magnetic field lines connected to the coils, no induced current can flow in the other coil.
APPEARS IN
संबंधित प्रश्न
How much current is drawn by the primary of a transformer connected to 220 V supply when it delivers power to a 110 V − 550 W refrigerator?
State the principle of transformer working with the help of a diagram
State the underlying principle of a transformer. How is the large scale transmission of electric energy over long distances done with the use of transformers?
Describe briefly and two energy losses, giving the reasons for their occurrence in actual transformers ?
Draw a labelled diagram to show the various parts of a step-up transformer and step down transformer.
What is Transformer?
A step-down transformer reduces the supply voltage from 220 V to 11 V and increase the current from 6 A to 100 A. Then its efficiency is
The output power in step-up transformer used in practice is ______.
Draw the effective equivalent circuit of the circuit shown in figure, at very high frequencies and find the effective impedance.
