Advertisements
Advertisements
Question
Name the principle on which functioning of a transformer depends.
Advertisements
Solution
The functioning of a transformer depends on the phenomenon of electromagnetic induction.
RELATED QUESTIONS
Why is the iron core of a transformer made laminated (thin sheets) instead of being in one solid piece?
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?
Devices which is used to convert high alternating current to low alternating current is ______.
Assertion: A transfonner cannot work on D.C. supply.
Reason: D.C. changes neither in magnitude nor in direction.
A transformer works on the principle of ______.
For an ideal step-down transformer, the quantity which is constant for both the coils is ______.
A step-down transformer connected to an ac mains supply of 220 V is made to operate at 11 V, 44 W lamp. Ignoring power losses in the transformer, what is the current in the primary circuit?
Mention two main sources of power loss in real transformers.
For what purpose are the transformers used?
How do the input and output powers in a transformer compare? State the assumption made.
