Electrical Conductors and Insulators (zoya)

Which of the following materials is commonly used for electrical wiring due to its excellent conductivity and affordability?

• Copper

• Gold

• Silver

• Aluminum

What is the primary role of insulators in electrical systems?

• To facilitate the flow of electricity

• To prevent electricity from escaping circuits

• To increase electrical resistance

• To store microwave energy

Which property differentiates conductors from insulators in terms of electrical current?

• Conductors have high resistance, while insulators have low resistance

• Conductors allow electrons to flow easily, while insulators oppose the flow

• Conductors are made of plastic, while insulators are made of metal

• Conductors store energy, while insulators absorb energy

What is the term for insulators that can be polarized by an electric field?

• Conductors

• Dielectrics

• Semiconductors

• Resistors

Which part of the complex dielectric constant describes the ability to store energy?

• Loss factor

• Permittivity

• Conductivity

• Resistance

Write down the different properties of the conductors and insulators.