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प्रश्न
Assertion (A): Insulators do not allow the flow of current through themselves.
Reason (R): They have no free charge carriers.
विकल्प
If both A and R are true and the R is correct explanation of A.
If both A and R are true but R is not a correct explanation of A.
If A is true and R is false.
If both A and R are false.
उत्तर
If both A and R are true and the R is correct explanation of A
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संबंधित प्रश्न
Write true or false for a given statement.
All metals are conductors of electricity.
Name four electric conductors and four electric insulators.
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______ are the materials which allow electric current to pass through them.
Pure water is a good conductor of electricity.
Assertion (A): It is very easy for our body to receive electric shock.
Reason (R): Human body is a good conductor of electricity.
Identify the conductor from the following figures.
Electric current can flow through metals.
An insulator gives less resistance to the flow of charge.
Explain the following:
Semiconductors
