A Sensitive Galvanometer Has a Resistance of 180 Ω and Requires

question 74

Multiple Choice

A sensitive galvanometer has a resistance of 180 Ω and requires 2.40 μA of current to produce a full-scale deflection. The series resistance needed to construct a voltmeter that gives full-scale deflection for a potential difference of 10.0 V is approximately

• A) 4.17 MΩ.
• B) 180 Ω.
• C) 1.80 kΩ.
• D) 8.33 MΩ.
• E) 2.08 MΩ.

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