What is the change in the total voltage across three diodes

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Suppose in Fig. 3.43, the diodes carry a current of 5 mA and the load, a current of 20 mA. If the load current increases to 21 mA, what is the change in the total voltage across the three diodes? Assume R1 is much greater than 3rd.

Reference no: EM131095793

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