A long solenoid is formed by winding 20 turns/cm. The current necessary to produce a…
Physics · JEE Main · NTA Exams — Magnetic Effects of Current and Magnetism
A long solenoid is formed by winding 20 turns/cm. The current necessary to produce a magnetic field of 20 milli tesla inside the solenoid will be aproximately
- 1.0 A
- 2.0 A
- 4.0 A
- 8.0 A
Answer
(D) 8.0 A
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