The diagram below illustrates the conversion of a galvanometer of resistance 29 to an ammeter. The galvanometer gives a full-scale deflection for a current of 10mA. Calculate the value of R.

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A. 2.0 x 10³ Ω
B. 2.0 x 10² Ω
C. 2.0 x 10−¹ Ω
D. 2.0 x 10−² Ω
E. 2.0 x 10−³ Ω

Correct Answer:

Option E – 2.0 x 10−³ Ω

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