EASY
Earn 100

What are pith balls made from?

Important Questions on Electricity

MEDIUM
Science>Physics>Electricity>Electroscope
What happens when negatively and positively charged objects are moved closer to a neutral electroscope in turns?
HARD
Science>Physics>Electricity>Electroscope
What is an electroscope? Draw a labelled diagram of an electroscope and explain its working.
EASY
Science>Physics>Electricity>Electroscope
What is an electroscope ?
MEDIUM
Science>Physics>Electricity>Electroscope

What is an electroscope? Draw a diagram to describe its construction.

MEDIUM
Science>Physics>Electricity>Electroscope
What happens when we touch the metal top of a charged electroscope with our finger? What is this process known as?
MEDIUM
Science>Physics>Electricity>Electroscope
A negatively charged ebonite rod is touched with the disc of a negatively charged gold leaf electroscope. What will be your observation ?
MEDIUM
Science>Physics>Electricity>Electroscope
Describe with the help of a diagram an instrument which can be used to detect a charged body.
MEDIUM
Science>Physics>Electricity>Electroscope
A positively charged glass rod is touched with the disc of an uncharged gold leaf electroscope. What will be your observation?
MEDIUM
Science>Physics>Electricity>Electroscope
How will you find out whether an object is charged or not?
MEDIUM
Science>Physics>Electricity>Electroscope
Draw a labelled diagram of a gold leaf electroscope and describe its construction.
EASY
Science>Physics>Electricity>Electroscope
When an object is touched with the metal top of an electroscope, its aluminium leaves diverge. What conclusion do you get from this observation?
MEDIUM
Science>Physics>Electricity>Electroscope
What will you observe when the metal top of an electroscope is touched with a plastic comb rubbed in dry hair? Give a reason for your answer.
MEDIUM
Science>Physics>Electricity>Electroscope
How will you use a gold leaf electroscope to find out whether the charge on a charged body is positive or negative ?
EASY
Science>Physics>Electricity>Electroscope
When a charged body is kept in contact with the disc of an uncharged gold-leaf electroscope, the leaves will _____ (diverge/ move closer).
MEDIUM
Science>Physics>Electricity>Electroscope
Describe a pith ball electroscope. how can you use it to test whether a body is charged or uncharged ?
MEDIUM
Science>Physics>Electricity>Electroscope
When a charged rod is touched with the disc of a positively charged gold-leaf electroscope, it is observed that the divergence of leaves decreases. What is the kind of charge on the rod?
MEDIUM
Science>Physics>Electricity>Electroscope
How will you use a pith ball electroscope to find out whether the charge on a charged body is positive or negative ?
MEDIUM
Science>Physics>Electricity>Electroscope
How will you use a gold leaf electroscope to find out whether a body is charged or uncharged ?
MEDIUM
Science>Physics>Electricity>Electroscope
Name the two types of electroscopes.
MEDIUM
Science>Physics>Electricity>Electroscope
What will you observe when the metal top of an electroscope is touched with a glass rod which has been rubbed with silk cloth? Give a reason for your answer.