11. Define: 4 marks [Resistor, Good conductor, Insulator, Poor conductor)
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Insulator is a material which resist the flow of electric current and heat
. A resistor is an electrical component that limits or regulates the flow of electrical current in an electronic circuit.
A good conductor is a material that has a high heat or electrical conductivity. Some examples of good conductors are gold, silver, and copper.
A poor conductor is a material that has low heat or electrical conductivity
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