Material Conductivity: Identifying Insulators
To determine which material is not a good conductor of electricity, we need to understand the difference between conductors and insulators.
- Conductors: Materials that allow electricity (electric charge) to flow through them easily. Metals are typically good conductors.
- Insulators: Materials that resist the flow of electricity. Ceramics and plastics are often insulators.
Analyzing Material Properties
Let's examine the electrical properties of the given options:
- Aluminum: A widely used metal known for its excellent electrical conductivity.
- Tungsten: A metal with high resistance but still considered a conductor, famously used in light bulb filaments.
- Nickel: A metal that conducts electricity, often used in alloys and batteries.
- Porcelain: A type of ceramic material. Ceramics are known for their insulating properties, meaning they do not conduct electricity well, especially when fired and vitrified.
Conclusion on Conductivity
Based on the analysis, Aluminum, Tungsten, and Nickel are conductors of electricity. Porcelain, being a ceramic, acts as an electrical insulator.
Therefore, Porcelain is not a good conductor of electricity.
Similar Questions
- Which of the following devices is used to convert alternating current into direct current?
- Three wires of resistance 3 ohm, 6 ohm and 9 ohm are connected in a parallel. What will be the total resistance of the circuit?
According to Joule's law of heating, heat produced in a resistor is expressed by which relation?
Electrical conductors are materials that possess which of the following properties?
When considering the dimensions of electric charge, which fundamental units must be combined to express it in terms of SI base quantities?
What change occurs in the amount of heat produced when the electric current in a conductor is doubled?
If you measure the amount of electric charge flowing in a circuit, which SI unit would you use to record the result?
The quantity represented by the unit volt per ampere corresponds to which electrical unit?
Important Questions from Current Electricity
The property of electric current which is applicable in the fuse wires is
An electric current is expressed by a unit called .
What do you call a component of identical size that offers a higher resistance to electricity?
Identify the correct statement.
_______ is a simple device that is used to either break the electric circuit, or to complete it.
