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Railways Sample Paper RRBs Assistant Loco Pilot and Technician CBT STAGE-I Sample Paper-14

  • question_answer
    A steady current is flowing through a solenoid. If a bundle of soft iron is inserted in the coil, then the magnetic field inside the solenoid

    A)  increases

    B)  decreases

    C)  remains unaffected

    D)  increases first and then decreases

    Correct Answer: A

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