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
Name the instrument used to control the current in an electric circuit.
What do you understand by the term quantity of electric charge?
State SI unit of electric charge and define it.
State and define the SI unit of electric current.
How is potential difference related to work done and quantity of charge?
A charge of 8860 C flows through an electric circuit in 2 min and 40 s. Calculate the magnitude of current in a circuit.
4 × 1020 electrons flow through a circuit in 10 hours. Calculate magnitude of current. [1 e- = 1.6 × 10-19 C]
Select the correct option:
In a metallic conductor, electric current is thought to be due to movement of:
The following Figure represents a negatively charged gold Ieaf electroscope. Label the parts, P, Q, and R and the estate whether each is an insulator or a conductor. Also, indicate the distribution of charges on the system in the diagram.

