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प्रश्न
What is meant by internal resistance of a cell?
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उत्तर
The resistance offered by the electrolyte inside the cell to the flow of current is called internal resistance of cell.
संबंधित प्रश्न
How many microamperes are there in 1 ampere?
The circuit diagram given below shows the combination of three resistors R1, R2 and R3:
Find :
(i) total resistance of the circuit.
(ii) total current flowing in the circuit.
(iii) the potential difference across R1.
A cell supplies a current of 1.2 A through two 2 Ω resistors connected in parallel. When the resistors are connected in series, it supplies a current of 0.4 A. Calculate:
(i) the internal resistance and (ii) e.m.f. of the cell.
Define the following:
Electromotive force
A current of 0.2 A flows through a wire whose ends are at a potential difference of 15 V. Calculate:
(i) The resistance of the wire, and
(ii) The heat energy produced in 1 minute.
What should I choose ___________________
b. for getting protection from electric current.
c. to measure the current in the circuit?
One unit of electrical energy consumed is equal to 1000 kilowatt-hour.
