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?
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
A charge 0.5 C passes through a cross section of a conductor in 5 s . Find the current .
Explain the concept of electric potential difference in terms of work done in transferring the charge.
Explain why does a metal wire when connected to a cell offer resistance to the flow of current.
'The resistance of a wire is 1 ohm'. Explain the meaning of this statement.
A current 0.2 A flows in a wire of resistance 15Ω. Find the potential difference across the ends of the wire.
What do you understand by the term electric potential?