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प्रश्न
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.
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उत्तर
The reason is that when the cell is being used, there is a drop in potential across the internal resistance of the cell.
संबंधित प्रश्न
Draw a circuit diagram to show how two 4 V electric lamps can be lit brightly from two 2 V cells.
Three resistors of 6.0 𝛀, 2.0𝛀 and 4.0𝛀 are joined to an ammeter A and a cell of e.m.f. 6.0 V as
shown in fig 8.52 Calculate:
(a) the effective resistance of the circuit and
(b) the reading of ammeter.
Tick(✓) the correct choice in the following:
The outer casing of an electric iron is generally connected to earth in order
to
Define the following:
Electromotive force
What are the effects of electric current?
