Calculate the secondary coil turn if voltage is 55. Primary voltage is 22 and turns is 1000.
The number of turns in primary winding of a transformer is 150 times more than that in secondary winding. Calculate the input emf in primary winding if the emf generated in secondary is 220 V.
What are the ways in which energy is lost in transformer?
Which transformer is used to play a radio and rating 12 V in ac main supply ?
Which transformer is used to bring electric power from high power transmission to house? why?
Write the uses of step up and step down transformers.
State the principle of transformers. or State the principles on which a transformer works.
Write a formula that shows relation among input voltage, output voltage, number of turns of primary coil and number of turns of secondary coil in a transformer.
Draw a well labelled diagram of step up transformer and step down transformer.
What is meant by step down and step up transformer?