Fill in the blanks : A component of a given size that offers a low resistance is a ________________. A conductor having some appreciable resistance is called a ______________. A component of identical size that offers a higher resistance is a _________.
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conductor
resistor
insulator
resistor
insulator
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Answer: The correct answers are conductor, semiconductor and insulator.
Explanation:
Conductor: Conductors are those materials which conduct electricity. It offers a low resistance. Conductors have free electrons. For example, copper.
Semiconductor: The conductivity of the semiconductor lies between the conductor and an insulator. It has some appreciable resistance. For example, silicon.
Insulator: Insulators are those materials which do not conduct electricity. It offers a higher resistance. Insulators do not have free electrons. For example, wood.
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