A moving coil galvanometer has a resistance of 900 Ω. In order to send only 10 % of the main curr...

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A moving coil galvanometer has a resistance of 900 Ω. In order to send only 10 % of the main current through this galvanometer, the resistance of the required shunt is
(a) 0.9 Ω
(b) 100 Ω
(c) 405 Ω
(d) 90 Ω

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