Answer Posted / amita sharma
Electromagnet:-IT CONSISTS OF ALL COIL copper wire wound closely over a solid core of softs iron. When an electric current is passed through the coil, the core becomes a powerful magnet. These are used for producing intense magnetic field, in research and in smaller forms in a large number of electromagnetic appliances like calling bell, telephone, telegraph sets etc..
| Is This Answer Correct ? | 0 Yes | 0 No |
Post New Answer View All Answers
What is larger the force the earth exerts on you or the force you exert on the earth?
What is balanced field takeoff?
What is astrophysics?
In beta minus emission, the number of nucleons in the atom?
What are the steps to the scientific notation?
i didnot recieve my group1 hallticket
Explain when are intermolecular forces the strongest?
What is photometry?
What is the dramatic increase in amplitude called when the frequency of forced vibrations on a body matches the bodys natural vibration frequency?
Explain the advantage of fixed pulley?
What is meant by reflection of waves?
What is the term for the speed at which an object will overcome the gravitational attraction of the earth?
State the laws of thermodynamics.
Can a vector have a component equal to zero and still have a nonzero magnitude?
Explain when is fluorescence strong?