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प्रश्न
Is it correct to say that a resistance wire is an insulator or a bad conductor? Explain your answer.
उत्तर
It is not correct to say that a resistance wire is an insulator or a bad conductor. From resistance, it is implied that a given material will conduct electricity, but will also offer obstruction to the passage of electric current.
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संबंधित प्रश्न
Write true or false for a given statement.
Our body is a conductor of electricity.
Fill in the blank
_______ do not pass electricity through them.
Select conductors of electricity from the following: Copper wire, silk thread, pure water, acidulated water, human body, glass, mercury.
Assertion (A): Insulators do not allow the flow of current through themselves.
Reason (R): They have no free charge carriers.
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
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- 10 A
- 16 A
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Small amount of a mineral salt present naturally in water makes it a ______ of electricity.
Why is a layer of zinc coated over iron?
Will the solution of sugar in distilled water conduct electricity?
Explain the following:
Semiconductors
