Q.A long solenoid has 800 turns/m. The field inside is $4\pi \times 10^{-3}\,\text{T}$ . Current flowing is

2 A

4 A

5 A

10 A

The correct solution involves applying the fundamental concept to derive the final value step by step...

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Q.A long solenoid has 800 turns/m. The field inside is 4π×10−3 T4\pi \times 10^{-3}\,\text{T}4π×10−3T. Current flowing is