Electric Conductors and Insulators
Electric Conductors and Insulators: Overview
This topic covers concepts, such as Electric Insulators, Conduction Tester, Electric Conductors, The Best Electric Conductor, Commonly Used Electrical Conducting Materials, Example of Insulators, Uses of Electric Conductors, etc.
Important Questions on Electric Conductors and Insulators
Choose the device that is used to determine whether a material is a conductor or an insulator.
A hygrometer is a simple device used to test whether a material is a conductor or an insulator.
What is a conduction tester? Describe the process of making a conduction tester.
Silver has the most electrical conductivity among metals.
Which among the following is the best electric conductor?
Silver is the best insulator available.
_____ is the best conductor electricity among metals.
Which is the best electric conductor among metals?
_____ among the following are examples of bad liquid conductors. (Distilled water, pipe water, salt water)
Which of the following are examples of bad liquid conductors.
_____(silver/iodine) is a very good conductor of electricity.
Air is a poor conductor of electricity.
Plastic is an electric conductor.
In a conduction tester, as shown below, a plastic scale is placed to complete the circuit for the bulb to glow.
What are electric conductors? List some of the most commonly used conductors.
Which of the following rod does NOT allow the current to pass through it?
Which of the following material is an insulator?
Identify the good conductor of electricity.
Which of these properties of plastic is the main reason for their wide usage in electrical appliances?
Which of the following materials are the bad conductors of electricity?
