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प्रश्न
Calculate the value of the resistance R in the circuit shown in the figure so that the current in the circuit is 0.2 A. What would b the potential difference between points B and E?
उत्तर
Apply Kirchhoff’s Law:-
5(0.2) + R (0.2) + 15(0.2) = 8 − 3
⇒ R = 5Ω
VBE = 5(0.2) = 1V
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