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The circuit shown below is working as a 8 V dc regulated voltage source. When 12V is used as input, the power dissipated (in mW )in each diode is; ( considering both Zener diodes are identical)____

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answer is 0040.00.

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Detailed Solution

Total voltage drop across both resistors is 4V.Current in the circuit i=4400=1100A.Voltage drop across each diode is 4V. So, power dissipated in each diode is p=vi =4×1100 =40×10−3 W =40mW

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The circuit shown below is working as a 8 V dc regulated voltage source. When 12V is used as input, the power dissipated (in mW )in each diode is; ( considering both Zener diodes are identical)____