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संबंधित प्रश्न
What transformation of energy takes place when current is drawn from a cell?
What is a secondary cell? Name one such cell.
State three differences between the primary and secondary cells.
In the electric circuit shown in Figure, label the parts A, B, C, D, E, and F. State the function of each part. Show in the diagram the direction of flow of current.
In transferring 1.5 C charge through a wire, 9 J of work is needed. Find the potential difference across the wire.
A current 0.2 A flows in a wire of resistance 15Ω. Find the potential difference across the ends of the wire.
Define electric potential in terms of energy spent.
State the unit of electric potential and define it.
Calculate the total number of electrons flowing through a circuit in 20 mins and 40 s, if a current of 40 μA flows through the circuit.
[1 e– = 1.6 × 10-19 C]
What do you understand by the term electric resistance?