Advertisements
Advertisements
प्रश्न
The lightning conductor is made up of:
पर्याय
copper
glass
ebonite
wood
Advertisements
उत्तर
copper
APPEARS IN
संबंधित प्रश्न
A fuse wire has a high melting point.
When an ebonite rod is rubbed with fur, the electrons move from ebonite to fur.
Like charges ............while unlike charges attract.
Name three constituents of an atom and state the kind of charge on each of them.
State two ways of charging a conductor.
Figure below shows a metal rod AB placed on an insulating stand.
In figure (a) a negatively charged ebonite rod C is touched with the metal rod AB, while in figure (b), the negatively charged ebonite rod C is held near the rod AB. State the kind of charges at the ends A and B of the rod, in each case.
How will you use a pith ball electroscope to find out whether the charge on a charged body is positive or negative?
Draw a labelled diagram of a gold leaf electroscope and describe its construction.
A positively charged glass rod is touched with the disc of an uncharged gold leaf electroscope. What will be your observation?
What are the effects of lightning?
