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CBSE Class 12-science Answered

Two cells E1 and E2 in the given circuit diagram have an emf of 5 V and 9 V and internal resistance of 0.3 Ω and 1.2 Ω respectively. Calculate the value of current flowing through the resistance of 3 Ω
Asked by Topperlearning User | 27 Apr, 2015, 01:34: PM
answered-by-expert Expert Answer

Net emf = E2 - E1 = 9 -5 = 4V

 begin mathsize 11px style Total space resistance space equals space 0.3 space plus space 1.2 space plus space 4.5 space plus space fraction numerator 6 space cross times space 3 over denominator 6 space plus space 3 end fraction space equals space 8 space straight capital omega space end style

Current through the circuit,

Current through the 3 Ω resistance =

Answered by | 27 Apr, 2015, 03:34: PM

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