A Sensitive Galvanometer Has a Resistance of 180 Ω and Requires

question 127

Multiple Choice

A sensitive galvanometer has a resistance of 180 Ω and requires 2.4 μA of current to produce a full-scale deflection. The shunt resistance needed to construct an ammeter that gives full-scale deflection for a current of 1.0 mA is approximately

• A) 4.5 Ω.
• B) 0.43 Ω.
• C) 0.22 Ω.
• D) 0.86 Ω.
• E) 1.72 Ω.

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Definitions:

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