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Q 7 Two tangent galvanometers A and B have coils of radii 8 cm and...

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Q 7 Two tangent galvanometers A and B have coils of radii 8 cm and 16 cm respectively and resistance 8 each They are connected in parallel with a cell of emf 4 V and negligible internal resistance The deflections produced in the tangent galvanometers A and B are 30 and 60 respectively If A has 2 turns then B must have B 18 turns 12 turns Correct Answer 6 turns

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