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Current Electricity — Foundation MCQs

Practice 100 questions on Current Electricity — Foundation MCQs. Includes: Kirchhoff's loop rule states that the sum of all…; A copper wire of cross-sectional area A carries…; The SI unit of EMF (electromotive force) is:. Free quiz on NoteTube.

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  1. 1.

    In a potentiometer, the potential drop along the wire is proportional to:

  2. 2.

    For a semiconductor, the temperature coefficient of resistance α is:

  3. 3.

    Electric current is defined as:

  4. 4.

    Ohm's law states that, at constant temperature:

  5. 5.

    A copper wire of cross-sectional area A carries current I with drift velocity vd. If the area is halved (same current), drift velocity becomes:

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