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In order to measure the internal resistance r of a cell of emf E, a meter bridge of wire resistance Ro = 50 52,
In order to measure the internal resistance r of a cell of emf E, a meter bridge of wire resistance Ro = 50 52, a resistance Ro/2, another cell of emf E/2 (internal resistance r) and a galvanometer G are used in a circuit, as shown in the figure. If the null point is found at (= 72 cm, then the value of r=S2. Ro/2 E| T Fim 4mm r E/2
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Cambridge International AS And A Level Physics Coursebook
Authors: David Sang, Graham Jones, Gurinder Chadha, Richard Woodside
3rd Edition
1108859038, 978-1108859035
