CBSE Class 10 Answered
Draw a circuit diagram of an electric circuit containing a cell a key an ammeter a resister of 2 ohm in series with a combination of two resisters of 4 ohm each in parallel and a voltmeter across the parallel combination. Will the potential difference across the 2 ohm resisters be the same as that across the parallel combination? Give reasons.
Asked by shihanpanwar539 | 05 Aug, 2020, 20:58: PM
![](https://images.topperlearning.com/topper/tinymce/imagemanager/files/4e4b5398c74530c4c9a996aa9e44e2785f2b9aa8879fa3.96575300WhatsAppImage20200806at11.21.43AM.jpeg)
![1 over R subscript e f f end subscript equals 1 over R subscript 1 plus 1 over R subscript 2
1 over R subscript e f f end subscript equals 1 fourth plus 1 fourth
R subscript e f f end subscript equals 2 o h m](https://images.topperlearning.com/topper/tinymce/cache/8d0b0e0ef0efda73e4a83efb448141aa.png)
Hence the effective resistance of the parallel combination is same as that of 2 ohm hence the potential drop across the 2 ohm and parallel combination would be same.
Answered by Utkarsh Lokhande | 06 Aug, 2020, 11:26: AM
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