Advertisements
Advertisements
प्रश्न
Fill in the blank
_______ do not pass electricity through them.
उत्तर
Insulators do not pass electricity through them.
APPEARS IN
संबंधित प्रश्न
Select conductors of electricity from the following: Copper wire, silk thread, pure water, acidulated water, human body, glass, mercury.
State two differences between a conductor and an insulator of electricity.
The insulator of electricity is :
A current of 1.5 A flows through a conductor for 2.0 s . What amount of charge passes through the conductor ?
How is the direction of flow of current between the two charged conductors determined by their potentials?
______ are the materials which allow electric current to pass through them.
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.
Electric current can pass through a sheet of thermocol.
Explain why the bulb would not glow in the arrangement shown in Figure.
Using the "conduction tester" on an object it was found that the bulb begins to glow. Is that object a conductor or an insulator? Explain
Why should an electrician use rubber gloves while repairing an electric switch at your home? Explain.
The handles of the tools like screwdrivers and pliers used by electricians for repair work usually have plastic or rubber covers on them. Can you explain why?
Ebonite does not allow electric charges to pass through them.
An insulator gives a lot of ______ to the flow of charge (electron).
Wires made of ______ an electrical conductor, have very low resistance.
