Electrical engineering
Ammeter shunt resistance
Ammeter shunt resistance measures how strongly an electrical path opposes current.
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Rsh = RaIa / (I − Ia)
- 01Given
- 02Calculation
- 03Answer
What it means
Ammeter shunt resistance measures how strongly an electrical path opposes current.
How it works and where it is used
Use this calculation for extending ammeter and voltmeter ranges and selecting measurement resistors.