Advertisements
Advertisements
प्रश्न
Why is a layer of zinc coated over iron?
उत्तर
Layer of zinc is coated over iron because zinc prevents it from rust and corrosion.
APPEARS IN
संबंधित प्रश्न
Select conductors of electricity from the following: Copper wire, silk thread, pure water, acidulated water, human body, glass, mercury.
What do you understand by the term electric cell?
Name four electric conductors and four electric insulators.
Identify the conductor from the following figures.
Copper: conductor:: Wood: ______.
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
- 6 A
- 10 A
- 16 A
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
The chip which are used in SIM cards and ATM cards are made up of ______.
