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

question 251

Multiple Choice

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 millivoltmeter capable of reading up to $400 \mathrm { mV }$ ?

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

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