Physics · Electrostatics
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Aluminium is _____.
- A
An excellent conductor
- B
A semiconductor
- C
An insulator
- D
A photoconductor
Option A is correct because aluminum is metal and has free electrons. As metals are conductors so aluminum is a metal and thus an excellent conductor of electricity
This option is correct because aluminum is metal and has free electrons. As metals are conductors so aluminum is a metal and thus an excellent conductor of electricity
Aluminum is not a semiconductor. Semiconductors have properties that fall between those of conductors and insulators, and they can exhibit variable conductivity depending on external conditions. Aluminum, on the other hand, is a metal and is classified as a conductor due to its high electrical conductivity.
Aluminium is not an insulator. Insulators are materials that have very low conductivity and do not allow the flow of electric current. Aluminium, as mentioned earlier, is an excellent conductor and allows the flow of electric current.
Aluminium is not a photoconductor. Photoconductors are materials that experience changes in their electrical conductivity when exposed to light. While some materials, such as certain types of silicon, can be used as photoconductors, aluminium does not exhibit this property.
Tagged under Physics · Electrostatics · 2021