Questions and Answers
What is the definition of electrical conductivity?
The measure of the ability of a substance to allow the flow of an electric current
Which type of substances have high electrical conductivity?
Good conductors
Why is pure water a poor conductor of electricity?
It lacks free moving charged particles
What makes tap water, rainwater, seawater, and water from a well conduct electricity?
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What are charge carriers in liquids generally?
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Why does pure water not conduct electricity effectively?
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Which materials allow the movement of charged particles and are called good conductors of electricity?
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What are materials called that do not allow the movement of charged particles and are termed as poor or bad conductors of electricity?
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Why are insulators like rubber and plastic used in electric cabins?
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What is the purpose of using insulators in the handles of tools used for electrical equipment?
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In an electric circuit setup with a battery, bulb, and wire, if the bulb does not glow, what are the possible reasons according to the text?
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In a working circuit setup with a battery, bulb, and wire, what does it indicate if the bulb starts glowing according to the text?
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