A circuit shown in Fig. 3.53 has resistances R1 = 20 and R2 = 30. At what

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A circuit shown in Fig. 3.53 has resistances R1 = 20Ω and R2 = 30Ω. At what value of the resistance Rx will the thermal power generated in it be practically independent of small variations of that resistance? The voltage between the points A and B is supposed to be constant in this case.


R1 Ao- R2 Ra:

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Probability & Statistics For Engineers & Scientists

ISBN: 9780130415295

7th Edition

Authors: Ronald E. Walpole, Raymond H. Myers, Sharon L. Myers, Keying

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