Science

10th

grade

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Magnetic effects of current

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  • 1. Multiple Choice
    2 minutes
    1 pt

    An Electric charge in a uniform motion produces

    An Electric Field only

    An Magnetic field only

    Both Electric Field & Magnetic field

    Neither of them

  • 2. Multiple Choice
    2 minutes
    1 pt

    Two parallel wires carry current in the same direction attract each other because of

    Potential difference between them

    Mutual inductance between them

    Electric forces between them

    Magnetic forces between them

  • 3. Multiple Choice
    2 minutes
    1 pt

    The strength of the magnetic field around a straight conductor carrying an electric current

    is same every where around the conductor

    obeys inverse square law

    is directly proportional to the square root of the distance

    None of the above

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