A Certain Ammeter Has an Internal Resistance of 1 $\Omega$ And a Range from 0 to 50 MA

question 40

Multiple Choice

A certain ammeter has an internal resistance of 1 $\Omega$ and a range from 0 to 50 mA.To make its range from 0 to 5 A, use:

• A)a series resistance of 99 \(\Omega\)
• B)an extremely large (say 10⁶ \(\Omega\)series resistance
• C)a resistance of 99 \(\Omega\)in parallel
• D)a resistance of 1/99 \(\Omega\) in parallel
• E)a resistance of 1/1000 \(\Omega\) in parallel

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