core transformer वाक्य

उदाहरण वाक्य

1. They are gradually replacing iron cored transformers in neon signs.
2. This resonant current directly drives a switching transistor through a ring core transformer.
3. During the 1950s he invented the insulating-core transformer, producing high-voltage direct current.
4. Tight coupling is when the coupling coefficient is around 1 as with conventional iron-core transformers.
5. It has a circular cross-section due to a poloidal graphite limiter and an iron core transformer.
6. Ferrite-core transformers are widely used in ( intermediate frequency ) ( IF ) stages in superheterodyne radio receivers.
7. In the closed-core transformer the iron core is a closed ring around which the two coils are wound.
8. This Joule heating reduces efficiency of iron-core transformers and electric motors and other devices that use changing magnetic fields.
9. The 3-core transformers are oil-cooled, to which the control unit with its 28 running steps is connected.
10. Early superheterodyne receivers used IFs as low as 20 kHz, often based on the self-resonance of iron-cored transformers.