A Galvanometer Has an Internal Resistance Of $100 \Omega$ And Deflects Full-Scale At

A galvanometer has an internal resistance of $100 \Omega$ and deflects full-scale at $2.00 \mathrm {~mA}$ . What size resistor should be added to it to convert it to a milliammeter capable of reading up to $4.00 \mathrm {~mA}$ ?

A) $50.0 \Omega$ in parallel
B) $100 \Omega$ in parallel
C) $50.0 \Omega$ in series
D) $100 \Omega$ in series

Correct Answer:

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