ICSE Class 10 Answered
please help me out!!
Asked by SanskarAgarwal86 | 20 Feb, 2018, 07:18: PM
Expert Answer
The main current in the circuit is 0.25A
(1) potential difference across 4Ω resistor is 4×0.25 = 1 V
Total resistance in the circuit = 2/0.25 = 8Ω.
then effective resistance of parallel combination is = 8-(4+3) = 1Ω.
if 2 Ω parallel to R Ω means,
(2) potential difference across resistors of parallel combination is 1×0.25 = 0.25 V
(3) potentila difference across internal resistance is 3×0.25 = 0.75 V
(4) value of resistance R is 2 Ω
Answered by Thiyagarajan K | 20 Feb, 2018, 08:51: PM
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