Electric Conductors and Insulators

What is insulating material and why it is important?

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?

Air is a poor conductor of electricity.

Plastic is an electric conductor.

Copper is an electrical conductor.

Wood is a _____ substance.

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.

Such things, when connected in the circuit, the bulb does not light up, are called _____.

When a bulb lights up when an object is connected to an electric circuit, then this object is called _____ of electricity.

State whether jute fibre is a conductor or an insulator.

What is the scientific name of the materials which allow electricity to pass through them?

Explain with an activity that how rubbing two bodies, gets charged.