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.
What is the potential of the spheres after electrical contact?
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.
After electrical contact, both the spheres will be at the same potential.
APPEARS IN
संबंधित प्रश्न
State three differences between the primary and secondary cells.
What is the function of a key (or switch) in an electric circuit?
(a) Complete the circuit given in Fig. by inserting between the terminals A and C. an ammeter.
(b) In the diagram, mark the polarity at the terminals of ammeter and indicate clearly the direction of flow of current in the circuit when the circuit is complete.
(c) Name and state the purpose of Rh in the circuit.

A cell is used to :
What do you understand by the term resistance?
Name the physical quantity of which the unit is volt
There is a positively charged sphere A and negatively charged sphere B, such that they are brought in electrical contact by a copper wire.
In which direction conventional current flows?
Label the different parts A, B, C, D, E, and F. State the functions of each part. Show in the diagram the direction of flow of current.
State three factors on which the resistance of a wire depends. Explain, how does the resistance depend on the factors stated by you.
