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An ammeter with 350 resistance is inserted in the circuit of the figure (Figure

ID: 1784675 • Letter: A

Question

An ammeter with 350 resistance is inserted in the circuit of the figure (Figure 1) .

Part A

By what percentage is the measured current in error because of the nonzero meter resistance?

Express your answer using two significant figures.

An ammeter with 350 resistance is inserted in the circuit of the figure (Figure 1) By what percentage is the measured current in error because of the nonzero meter resistance? Express your answer using two significant figures. 10.97 A- Amesured Submit My Answers Give Up Incorrect, One attempt remaining, Try Again Provide Feedback Continue Figure 1 of 1 150V 10 k2

Explanation / Answer

A = 150 / (5 + 10) = 10 mA

when ammeter is connected,


A_measured = 150 / (5 + 10 + 0.350) = 9.772 mA


(A - A_measured) x 100 / A = 2.3 %

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