Conductors and Insulators
Trending Questions
What is definition of insulator and conductor
Classify the following as good conductors and insulators:
Wood, plastic, copper, rubber, silver, iron, glass, steel, distilled water, tap water, sea water
Define conductors and insulators. Give two examples for each.
- Copper
- Brass
- Glass
- Gold
What is meant by insulated copper wire?
Question 2 (a)
Mark 'True' or 'False' for following statement:
Electric current can flow through metals.
Which of the following is not a good conductor of electricity?
Wool
- Glass
Diamond
Iron
How can you check if a substance is conductor or an insulator?
- Metal paper clip
- Eraser
- Pencil lead
- Iron bangle
Poor conductors are known as _________.
What role do free electrons play in the process of conduction?
Question 7
Paheli is running short of connecting wires. To complete an electric circuit, she may use a
(a) Glass bangle
(b) Thick thread
(c) Rubber pipe
(d) Steel spoon
Switches, electrical plugs and sockets are made up of Insulators.
Conductors
Insulators
- insulator
- bad conductor
- conductor
Glass is an example of ____________.
electric conductor
electric insulator
metal
electromagnet
- True
- False
- Rubber
- Wood
- Steel
- Cotton
- More attractive
- Safe to touch
- Resistant to corrosion
- Long lasting
- True
- False
- William Gilbert
- Thales
- Galvani
- Thomas Alva Edison
What are conductors and insulators? [3 MARKS]
Classify the following as conductors and insulators:
Wood, plastic, copper, rubber, silver, iron, glass, steel, distilled water, tap water, sea water
The device which opposes the flow of current is known as____
Define conductors.
The best conductor of electricity is _____.
- Plastic
- Glass
- Silver
- Rubber