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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 milliamperes as there in 1 ampere?
A current of 4 A flows around a circuit for 10 s. How much charge flows past a point in the circuit in this time?
An electric circuit consisting of a 0.5 m long nichrome wire XY, an ammeter, a voltmeter, four cells of 1.5 V each and a plug key was set up.
Following graph was plotted between V and I values:
What would be the values of `V/I` rations when the potential difference is 0.8 V, 1.2 V and 1.6 V respectively?
What conclusion do you draw from these values?
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A battery of e.m.f. 15 V and internal resistance 3 ohm is connected to two resistors of resistance 3 ohm and 6 ohm in series. Find:
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(ii) The p.d. between the terminals of the battery.
Explain, why the potential difference across the terminals of a cell is more when the cell is not in use than it is when the cell is being used.
Which part of an electrical appliance is earthed?
Name any two devices, which are working on the heating effect of the electric current.
