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प्रश्न
Write true or false for a given statement.
All metals are conductors of electricity.
पर्याय
True
False
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Fill in the blank
_______ do not pass electricity through them.
Distinguish between conductors and insulators of electricity. Give two examples of each.
Select conductors and insulators from the following :
Glass, silver, copper, wood, paper, pure water, impure water, aluminium, iron, leather, plastic, steel, human body and ebonite.
Select conductors of electricity from the following: Copper wire, silk thread, pure water, acidulated water, human body, glass, mercury.
How is the direction of flow of current between the two charged conductors determined by their potentials?
Differentiate between:
Conductors and insulators.
Give one activity to prove that air is an insulator.
______ are the materials which allow electric current to pass through them.
Identify the conductor from the following figures.
Search ten words in the given word grid and classify them as conductors and insulators
Copper: conductor:: Wood: ______.
Picture based Question
Three conductors are joined as shown in the diagram
The current in conductor RS is 10 A. The current in conductor QR is 6 A. What will be the current in conductor PR
- 4 A
- 6 A
- 10 A
- 16 A
Electric current can flow through metals.
The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them. Can you explain why?
Ebonite does not allow electric charges to pass through them.
Wires made of ______ an electrical conductor, have very low resistance.
Small amount of a mineral salt present naturally in water makes it a ______ of electricity.
Insulators do not carry electric currents because they do not have free electrons.
