11th Class Physics Physical World / भौतिक जगत Question Bank 11th CBSE Physics Mathematical Tools, Units & Dimensions

  • question_answer
    Ionic solids are insulator of heat and electricity. Why?

    Answer:

    In ionic solids ions are held by strong electrostatic force of attractions. Ions are not free to move. They do not have free electrons. Thus ionic solids are insulator of heat and electricity.


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