
Mark ‘True or False’ for the following statements:
(A) Electric current can flow through metals.
(B) Instead of metal wires, a jute string can be used to make a circuit.
(C) Electric current can pass through a sheet of thermocol.
Answer
507.9k+ views
Hint: We should relate the properties of electric current with the statements given in the question in order to get the correct answer. The properties are as follows:
(i) Electricity can easily pass through conductors.
(ii) It does not pass through insulators.
Now, we should focus on conducting and insulating materials to identify the correct statement.
Complete answer:
Already we know that metals are good conductors which allow the current to easily flow through them. So, the statement is correct when we say that electric current can pass through metals.
Hence, statement (a) is true in this case.
Now, we know that jute is a bad conductor or in other words it is an insulator. As a result it will not allow the current to flow through it. So, we cannot use a jute string to make a circuit instead of metal wires.
Hence, statement (b) is false in this case.
As we know that thermocol is also a bad conductor. So, in this case also it will not allow the current to flow through it.
Hence, statement (c) is false in this case also.
Note: We should be clear with the conducting and insulating materials. Conductor is an object or type of material that allows the flow of electric current in one or more directions. Metals, water are common examples of conductors. An insulator is a material that does not conduct electrical current. Plastic, paper, rubber, glass, air, jute, thermocol are some of the examples of insulating materials.
(i) Electricity can easily pass through conductors.
(ii) It does not pass through insulators.
Now, we should focus on conducting and insulating materials to identify the correct statement.
Complete answer:
Already we know that metals are good conductors which allow the current to easily flow through them. So, the statement is correct when we say that electric current can pass through metals.
Hence, statement (a) is true in this case.
Now, we know that jute is a bad conductor or in other words it is an insulator. As a result it will not allow the current to flow through it. So, we cannot use a jute string to make a circuit instead of metal wires.
Hence, statement (b) is false in this case.
As we know that thermocol is also a bad conductor. So, in this case also it will not allow the current to flow through it.
Hence, statement (c) is false in this case also.
Note: We should be clear with the conducting and insulating materials. Conductor is an object or type of material that allows the flow of electric current in one or more directions. Metals, water are common examples of conductors. An insulator is a material that does not conduct electrical current. Plastic, paper, rubber, glass, air, jute, thermocol are some of the examples of insulating materials.
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