What is the purpose of a shunt resistor used...

Question 1 / 27070ZQM2huus8SpP4v8ZsbNv

Question 1 of 27070ZQM2huus8SpP4v8ZsbNv

What is the purpose of a shunt resistor used with an ammeter?

Question 1 of 27070

What is the purpose of a shunt resistor used with an ammeter?

🔍 Key Concepts

• Ammeter measures current and is placed in series in a circuit • Shunt resistor provides an alternate path for current around the meter movement • Relationship between current, resistance, and meter range (Ohm’s Law)

💭 Think About

• If a sensitive ammeter movement can only handle a small current, what must happen to the extra current when measuring a much larger current? • Does placing a low‑value resistor in parallel with the ammeter cause more or less current to bypass the meter movement? • How would bypassing current affect the maximum current the ammeter can measure without damage?

✅ Before You Answer

• Remember that a shunt resistor is usually low resistance and connected in parallel with the ammeter movement • Think about whether bypassing some current allows the meter to handle higher or lower total current in the circuit • Check which choice correctly connects a shunt with changing the current range of an ammeter, not a voltmeter

Question 1 of 27070

What is the purpose of a shunt resistor used with an ammeter?

A shunt resistor is not used with an ammeter.

It is used to decrease the ampere indicating range of the ammeter.

It is used to increase the ampere indicating range of the ammeter.

It is used to increase the voltage indicating range of the voltmeter, not the ammeter.

Question 1 / 27070ZQM2huus8SpP4v8ZsbNv

Question 1 of 27070ZQM2huus8SpP4v8ZsbNv

What is the purpose of a shunt resistor used with an ammeter?

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Question 1 of 27070

What is the purpose of a shunt resistor used with an ammeter?