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Statement of a problem № 3747

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A circuit is set up as shown in Fig. 12.8, in which certain resistors are known; the current in some of the branches has been measured by ammeter. Calculate (i) The resistance R in CB (ii) The potential difference between A and B (iii) The heat developed per second between A and B.

Solution:
A circuit is set up as shown in Fig. 12.8, in which certain resistors are known;

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