What is an Insulator

Conductors and insulators

Look at Figures (a)-(d). Each shows a complete electric circuit. Then why is it that the bulb glows only in circuits (b) and (d)? It is because not all materials allow electric current to pass through them.

insulator-and-conductor-1
What is an Insulator

what is an insulator

insulator and conductor

is wood a conductor or insulator

is rubber a conductor or insulator

is a rubber band a conductor or insulator

is a pencil a conductor or insulator

what is an insulator?

wood insulator or conductor

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