The circuit contains two diodes each with a forward resistance of 50Ω and with infinite reverse resistance. If the battery voltage is 6 V, the current through the 120Ω resistance is ________mA.
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answer is 20.
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Detailed Solution
D2 : Reverse biased acts as ∞ resistance⇒ current in 120Ω , I= 6120+130+50=6300A I=20 mA