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7th Class Science Electric Current and Its Effects Question Bank Electric Current and Its Effects

  • question_answer
    DIRECTIONS: Read the passage given below and answer the questions that follow. Passage - 2 We use various appliances based on heating effect of current in our daily life. Some such appliances are electric room heater, electric heater, hot plates, electric iron, hair dryers etc. All these contain a coil of wire called element. Which part of an electric iron becomes hot and gives out heat?

    A) the switch

    B) the handle

    C) the element

    D) the connecting wire

    Correct Answer: C

    Solution :

    The element is a coil of wire that becomes hot and gives out heat.


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