বিস্তৃতবিস্তৃতি
বিস্তৃত কুণ্ডলি (Assamese)
Contributed by: Mousumi Konwar on 2023-11-20
1. A solenoid () is a type of electromagnet formed by a helical coil of wire whose length is substantially greater than its diameter, which generates a controlled magnetic field. The coil can produce a uniform... from wikipedia.org