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प्रश्न
Write true or false for a given statement.
The switch should not be touched with wet hands.
विकल्प
True
False
उत्तर
True
APPEARS IN
संबंधित प्रश्न
Write true or false for a given statement.
All metals are conductors of electricity.
Fill in the blank
_______ pass electricity through them.
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?
Is it correct to say that a resistance wire is an insulator or a bad conductor? Explain your answer.
A current of 1.2 A flows through a conductor for 3.0 s. What amount of charge passes through the conductor?
Differentiate between:
Conductors and insulators.
Give one example of an insulator.
Give one activity to prove that air is an insulator.
Assertion (A): It is very easy for our body to receive electric shock.
Reason (R): Human body is a good conductor of electricity.
Search ten words in the given word grid and classify them as conductors and insulators
In conducting materials electrons are ______ bounded with atoms.
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
Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain.
Ebonite does not allow electric charges to pass through them.
Why is a layer of zinc coated over iron?
An insulator gives less resistance to the flow of charge.
Explain the following:
Semiconductors
