Question:
The device used to measure electric current in a circuit is called:
The device used to measure electric current in a circuit is called:
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Remember the units of measurement for each electrical quantity:
- Current: Amperes (A)
- Voltage: Volts (V)
- Power: Watts (W)
- Resistance: Ohms (\(\Omega\))
Updated On: Apr 30, 2025
- wattmeter
- voltmeter
- ammeter
- resistor
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The Correct Option is C
Solution and Explanation
Step 1: Recall the function of each device listed.
Wattmeter: Measures electric power (in Watts).
Voltmeter: Measures electric potential difference (voltage) between two points in a circuit (in Volts).
Ammeter: Measures electric current flowing through a point in a circuit (in Amperes).
Resistor: An electrical component that opposes the flow of electric current.
Step 2: Identify the device used to measure electric current.
Based on the definitions above, the ammeter is the device specifically designed to measure electric current.
Wattmeter: Measures electric power (in Watts).
Voltmeter: Measures electric potential difference (voltage) between two points in a circuit (in Volts).
Ammeter: Measures electric current flowing through a point in a circuit (in Amperes).
Resistor: An electrical component that opposes the flow of electric current.
Step 2: Identify the device used to measure electric current.
Based on the definitions above, the ammeter is the device specifically designed to measure electric current.
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