Distinguish between good conductors, resistors and insulators. Name two good conductors, two resistors and two insulators.
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Those substances which have very low electrical resistance are called as good conductors. E.g., copper and aluminium. Those substances which have comparatively high resistance than conductors are known as resistors. E.g., nichrome and manganin. Those substances which have infinitely high electrical resistance are called insulators. E.g., rubber and wood.
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Answer:the substance which allows electricity to pass through them are called good conductors. eg : copper,water
the device having resistance to pass electric current is called resistor. eg :voltage division,heat generation.
the substances which do not allow electricity to pass through them are called insulators . eg : plastic,rubber
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