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प्रश्न
The transformer is used in ______ current circuits.
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उत्तर
The transformer is used in alternating current circuits.
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संबंधित प्रश्न
Mention various energy losses in transformer device
Explain the significance of Lenz’s law to show the conservation of energy in electromagnetic induction.
In a transformer, the frequency of A.C. voltage ______.
What is the function of a transformer in an a.c. circuit? How do the input and output powers in a transformer compare?
State the factors on which the frequency of the alternating e.m.f. depends.
(i) Draw a clear labelled diagram of an electric bell.
(ii) Explain in brief, its working.
(iii) What material is used for the core of an electric bell? State the reason.
Devices which is used to convert high alternating current to low alternating current is ______.
What is a transformer?
A 12 V, 60 W lamp is connected to 220 V AC via an ideal transformer. Find the primary current.
