Advertisements
Advertisements
प्रश्न
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
Which sphere is at lower potential before electrical contact on the basis of convention?
Advertisements
उत्तर
Sphere A is positively charged and sphere B is negatively charged.
Both spheres A and B are brought in electrical contact by a copper wire.
On the basis of convention, negatively charged sphere B is lower potential before electrical contact.
APPEARS IN
संबंधित प्रश्न
Write symbol and state function of following component in an electric circuit :
cell
The unit of current is :
What do you understand by the term resistance?
Explain why does a metal wire when connected to a cell offer resistance to the flow of current.
How is the current flowing in a conductor changed if the resistance of conductor is doubled keeping the potential difference across it the same?
State and define the SI unit of electric current.
A wire of resistance 1 Ω is stretched to double its length. What will happen to the resistance of the stretched wire?
