Q
"What unit measures the resistance of an electric current?
A. Ohm
B. Volt
C. Watt
D. Ampere"
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Answer
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Step 1:I'll solve this problem step by step following the specified LaTeX formatting guidelines:
Step 2:: Understand the Fundamental Electrical Units
The question is asking about the unit that measures electrical resistance. To answer this, we need to recall the basic electrical units and their specific measurements.
Step 3:: Recall the Definition of Resistance
Resistance is the opposition to the flow of electric current in a circuit. It describes how much a material resists the movement of electric charge.
Step 4:: Identify the Correct Unit
Ohm: $$\Omega$$ (omega symbol) is the unit of electrical resistance
Let's examine each option: - A. - B. Volt: Measures electric potential difference - C. Watt: Measures electrical power - D. Ampere: Measures electric current
Step 5:: Confirm the Definition of an Ohm
An ohm is defined as the electrical resistance between two points of a conductor when a constant potential difference of 1 volt, applied to these points, produces a current of 1 ampere.
Final Answer
Ohm (\Omega) is the unit that measures the resistance of an electric current.
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