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__________is a conductor.
  • a)
    Wood
  • b)
    Metal
  • c)
    Paper
  • d)
    Petrol
Correct answer is option 'B'. Can you explain this answer?
Most Upvoted Answer
__________is a conductor.a)Woodb)Metalc)Paperd)PetrolCorrect answer is...
Conductor:
- A conductor is a material that allows the flow of electric current through it.
- It is characterized by its ability to conduct heat and electricity.
- Conductors have high electrical conductivity.
- They have free electrons that can move easily through the material.
- The flow of electrons constitutes an electric current.
- Conductors are used in various electrical and electronic devices to carry and transmit electricity.
- Examples of common conductors include metals such as copper, aluminum, and silver.
- These metals have high electrical conductivity due to the presence of loosely bound electrons.
- Among the given options, metal (option B) is the only material that is a conductor.
- Wood (option A), paper (option C), and petrol (option D) are not conductors of electricity.
- Wood and paper are insulators, while petrol is a non-conductive liquid.
- Therefore, the correct answer is option B: Metal.
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Community Answer
__________is a conductor.a)Woodb)Metalc)Paperd)PetrolCorrect answer is...
Metal is a conductor

- Introduction:
In this question, we are asked to identify which material is a conductor among the given options. Conductors are materials that allow the flow of electricity or heat through them easily. Out of the given options, the correct answer is option 'B' - Metal.

- Explanation:
1. Conductors:
Conductors are materials that have low resistance to the flow of electric current. They allow the flow of electrons and heat energy through them with ease. Metals are known to be excellent conductors due to the presence of free electrons in their atomic structure.

2. Metals as conductors:
Metals have a unique atomic structure where the outermost electrons of their atoms are loosely bound. These free electrons are not confined to a specific atom and can move freely within the metal's structure. When an electric potential is applied across a metal, these free electrons start moving in response to the electric field, resulting in the flow of electric current.

3. Properties of metals:
Metals exhibit several properties that make them good conductors:
- High electrical conductivity: The presence of free electrons allows metals to conduct electricity efficiently.
- High thermal conductivity: Metals can also conduct heat effectively due to the mobility of free electrons.
- Ductility: Metals can be easily drawn into wires, which further enhances their conductivity.
- Malleability: Metals can be hammered or pressed into thin sheets without breaking, making them suitable for various applications.

4. Examples of metal conductors:
Some common examples of metal conductors include copper, aluminum, silver, gold, and iron. These metals are widely used in electrical wiring, circuitry, and various other applications where the flow of electricity or heat is required.

- Conclusion:
In conclusion, among the given options, metal is the correct answer as it is an excellent conductor of electricity and heat. Metals have unique atomic structures that allow the movement of free electrons, resulting in efficient conduction.
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