An ammeter has a full-scale deflection current of 100mA ___

An ammeter has a full-scale deflection current of 100mA.

If the same ammeter is used to measure a full-scale current of 1.0 ampere, what is the value of the shunt resistor in ohms if the voltage across the meter is 9.0 volts?

A. 9.0
B. 10
C. 900
D. 100

Show Answer

Answer: B

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