A solenoid of 1200 turns is wound uniformly in a single layer on a glass tube 2m long and 0.2m in diameter. The magnetic intensity at the center of the solenoid when a current of 2A flows through it is:
Held on 25 Jan 2023 · Verified 6 Jul 2026.
2.4×103Am−1
1.2×103Am−1
1Am−1
2.4×10−3Am−1
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