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प्रश्न
Write true or false for a given statement.
Silver is an insulator of electricity.
विकल्प
True
False
उत्तर
False.
Silver is good conductor of electricity.
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संबंधित प्रश्न
Write true or false for a given statement.
Our body is a conductor of electricity.
Write true or false for a given statement.
The switch should not be touched with wet hands.
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.
State two differences between a conductor and an insulator of electricity.
A current of 1.5 A flows through a conductor for 2.0 s . What amount of charge passes through the conductor ?
Name four electric conductors and four electric insulators.
A current of 1.2 A flows through a conductor for 3.0 s. What amount of charge passes through the conductor?
l-V graph is shown for a good conductor. What does the slope of the graph represent?
Assertion (A): It is very easy for our body to receive electric shock.
Reason (R): Human body is a good conductor of electricity.
Silver is a good conductor but it is not preferred for making electric wires. Why?
Assertion (A): Insulators do not allow the flow of current through themselves.
Reason (R): They have no free charge carriers.
Electric current can flow through metals.
Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain.
An insulator gives a lot of ______ to the flow of charge (electron).
Wires made of ______ an electrical conductor, have very low resistance.
The chip which are used in SIM cards and ATM cards are made up of ______.
Why is a layer of zinc coated over iron?
Will the solution of sugar in distilled water conduct electricity?
Observe figure.
 |
 |
| A | B |
Which of these two circuits A or B shows the correct observation?
Insulators do not carry electric currents because they do not have free electrons.
