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    Question

    A closely wound solenoid 40 cm long has 5 layers of

    windings of 400 turns each. The diameter of the solenoid is 2 cm. If the current carried is 8.0 A, estimate the magnitude of B inside the solenoid near its centre.
    A 16Ο€ Γ— 10^βˆ’3 T Correct Answer Incorrect Answer
    B 16Ο€ Γ— 10^βˆ’4 T Correct Answer Incorrect Answer
    C 16Ο€ Γ— 10^βˆ’2 T Correct Answer Incorrect Answer
    D 16Ο€ Γ— 10^βˆ’5 T Correct Answer Incorrect Answer

    Solution

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