Advertisements
Advertisements
प्रश्न
Draw a labelled diagram to show the various parts of a step-up transformer and step down transformer.
Advertisements
उत्तर
Step-up transformer is used to change low voltage alternating e.m.f. to high voltage alternating e.m.f. Its essential parts are shown in the given diagram:
संबंधित प्रश्न
Write the function of a transformer.
Derive an expression for e.m.f. and current in terms of turns ratio
What is the function of a transformer in an a.c. circuit? How do the input and output powers in a transformer compare?
The primary and secondary coils of a transformer each have an inductance of 200 x 10-6 H. The mutual inductance between the windings is 4 x 10-6 H. What percentage of the flux from one coil reaches the other?
Explain step up and step down transformer?
Devices which is used to convert high alternating current to low alternating current is ______.
A transformer works on the principle of ______.
An ideal transformer converts 220 V a.c. to 3.3 kV a.c. to transmit a power of 4.4 kW. If primary coil has 600 turns, then alternating current in secondary coil is ______.
An ideal transformer converts 170 V a.c. to 1.70 KV a.c. to transmit a power of 3.4 KW. If primary coil has 500 turns then alternating current in secondary coil is ______.
