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Railways NTPC (Technical Ability) Electric Circuits and Field Question Bank Electric Circuits and Field

  • question_answer
    If E is the electric field intensity then \[\Delta .(\Delta \times E)\] is equal to

    A)  \[E\]                            

    B)  \[|\overrightarrow{E}|\]

    C)  null vector                    

    D)  zero

    Correct Answer: C

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