Advertisements
Advertisements
प्रश्न
The differences between the electrostatic potential of the positive end the negative end of an electric cell is the ______ of the cell.
Advertisements
उत्तर
The differences between the electrostatic potential of the positive end the negative end of an electric cell is the potential difference of the cell.
संबंधित प्रश्न
What is the potential difference between the terminals of a battery if 250 joules of work is required to transfer 20 coulombs of charge from one terminal of battery to the other?
A p.d. of 10 V is needed to make a current of 0.02 A flow through a wire. Wire p.d. is needed to make a current of 250 mA flow through the same wire?
Find the resistance of a conductor if the electric current flowing through it is 0.35 A when the potential difference across it is 1.4 V.
Exercise.
Calculate the amount of charge that would flow in 2 hours through an element of an electric bulb drawing a current of 2.5 A.
A boy records that 4000 joules of work are required to transfer 10 coulombs of charge between two points of a resistor of 50 Ω. The current passing through it is:
The SI unit of potential difference is ______.
______ is work done per unit charge.
Electric potential is a measure of the ______ on the unit positive charge to bring it to that point against all electrical forces.
Two charged spherical conductors of radius R1 and R2 are connected by a wire. Then the ratio of surface charge densities of the spheres `(σ_1//σ_2 )` is ______.
Twenty-seven drops of same size are charged at 220 V each. They combine to form a bigger drop. Calculate the potential of the bigger drop.
