Advertisements
Advertisements
प्रश्न
What is the function of a step-up transformer?
Advertisements
उत्तर
We use a step-up transformer to push up or step up the voltage of a given a.c. source.
APPEARS IN
संबंधित प्रश्न
Explain the construction and working of the transformer.
What type of current is transmitted from the power station?
The primary coil of a transformer has 200 turns while the secondary coil has 1000 turns. What type of transformer is this? if the input voltage is 10V, what will be the output voltage?
Applying e.m. f to primary coil is 210 V. If the number of turns in primary coil is 200 turns and that of in secondary coil is 20 turns, then find out the output voltage. Name the type of transformer.
A transformer lowers e.m.f. 220 V to 12 volts. If the number of turns in primary are 8800, how many turns are in secondary coil?
Transformer works on ______.
The large scale transmission of electrical energy over long distances is done with the use of transformers. The voltage output of the generator is stepped-up because of ______.
A 12 V, 60 W lamp is connected to 220 V AC via an ideal transformer. Find the primary current.
Which winding is the input coil connected to the AC source?
Which description of the secondary coil is correct?
