The temperature coefficient of resistance of eureka is

Related Questions

1. A t/m is a unit of
2. When the relative permeability of a material is slightly more than 1a it is called ______ material.
3. ______ is an electromagnet with its core in the form of a close magnetic ring.
4. Bonding of atoms that is due to the force of attraction between positive ions and a group of negative…
5. The force which set ups or tends to set up magnetic flux in a magnetic circuit
6. Whenever a flux inking a coil or current changesa an emf is induced in it. This is known as
7. The process by which an emf and hence current is generated or induced in a conductor when there is a…
8. Who discovered the most important electrical effects which is the magnetic effect?
9. What is the SI unit of magnetic flux?
10. Referred to as the specific reluctance of a material
11. Which of the following materials has permeability slightly less than that of free space?
12. The force acting on a pole of 5 Wb is 25 N. What is the intensity of the magnetic field?
13. What is the reluctance of a magnetic path having a length of 2x 10^-3m and crosssectional area of 2.5…
14. Electronic current in a wire is the flow of ____________ electrons.
15. As the magnetic intensity decreasesa the relative permeability of a magnetic material
16. The induced emf in a wire loop that is moved parallel to a uniform magnetic field is
17. Paramagnetic substance has a relative permeability of
18. Electrons at the outer shell are called
19. The tiniest element of matter
20. What is the SI unit of reluctance?
21. The B-H curve of ________ is not a straight line.
22. What determines the value of the temperature coefficient of resistance of a material?
23. A magnetic circuit carries a flux iin the iron part and a fluxgin the air gap. What is the leakage coefficient?
24. Electromotive force in a circuit
25. Hydrogen is an example of a _____ material.
26. If the number of valence electrons of an atom is less than 4a the substance is called
27. What revolves about the positive nucleus in a definite orbit?
28. Defined as the number of lines per unit area through any substance in a plane at right angles to the…
29. A magnetic field is
30. The lagging effect between flux density of the material and the magne

Also checkout these categories