In which configuration of resistance the current across each resistances remain same? why? pls mention why?
(a) Series combination
(b) Parallel combination
(c) Mixed combination
(d) None of these
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Answers
In the case of series combination the current across each resistance remains same.
In the series combination a resistance is joined to the end of other resistance and so on. So the potential difference across the resistances becomes different but the current across the resistances reamins same.
In the case of parellel combination the potential difference becomes constant but the current across the resistors become different.
Answer:
The current across each resistances remain same in Series combination.
Explanation:
If we consider a circuit with resistors r and R which are connected in series to a battery of voltage V.
Then the current starts to flow from positive terminal of the battery which eventually ends up in the negative terminal of the battery. And if the current has two or more ways to flow in a circuit, as in the case of parallel combination, it divides in the inverse ratio to the resistances present in the respective ways because i ∝ 1/r.
So, in the case of series combination the current has only one way to flow in a circuit and the total resistance is just addition of r and R.
Hence, as there is only one way for the current to flow and there are no other resistances in the other ways so it cannot be divided and flows as a whole in the series combination circuit.
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