Question

Explain electrical conductivity of soild

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Answer 1

Answer:

Electrical properties of solids are measured in terms of conductivity. Conductivity may be defined as the ease with which electric current can pass through a given substance. All solids do not conduct electricity in equal amounts.

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Answer 2

Required Answer:-

Metals are predominantly solids. Very less non-metals exist in soild form. We know that, we use these metals in solid form while making wires and electrical appliances.

With reference to these soilds and metals:

• Soild is the form of matter where the atoms are closely packed.
• The outermost cells of these atoms overlap with each other. Hence, the electrons become free and remain in disassociated form.
• These are the free electrons.
• They roam around without any fixed direction.
• Once we connect a power supply, a drift speed is created within them which makes them move in a particular direction.
• In this way, electricity is conducted within the solid$.$

Why not ions?

Ions is formed by the diasscociation of ionic compounds when they are in molten or liquid state. But in solids, only electrons are available for electrical conduction.