the galvanometer shown no deflection for l=L/2. When the switch S2 is closed

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In the arrangement shown in figure when the switch S2 is open, the galvanometer shown no deflection for l=L/2. When the switch S2 is closed, the galvanometer shown no deflection for l = 5 L/12. The internal resistance (r) of 6 V cell, and the emf E of the other battery are respectively
13
Nov
In the arrangement shown in figure when the switch S2 is open, the galvanometer shown no deflection for l=L/2. When the switch S2 is closed, the galvanometer shown no deflection for l = 5 L/12. The internal resistance (r) of 6 V cell, and the emf E of the other battery are respectively and the [...]
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Tags: and the emf E of the other battery are respectively , In the arrangement shown in figure when the switch S2 is open , the galvanometer shown no deflection for l = 5 L/12. The internal resistance (r) of 6 V cell , the galvanometer shown no deflection for l=L/2. When the switch S2 is closed ,