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anshu dutta Grade: 12
        

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6 years ago

Answers : (2)

gOlU g3n|[0]uS
42 Points
										

is the value of   R = 45Ω 


   There is no effect of 30V battery.Because 50V battery convert it into charging battery.

6 years ago
Chetan Mandayam Nayakar
312 Points
										

because there is zero current through the 30V battery, there will be zero current through the 10 ohm resistor in the left loop


therefore from Kirchhoff's voltage rule voltage drop across R= 30V, therefore R(50/(20+R))=30, solving this elementary equation, we get R= 30ohm


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6 years ago
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