What unit is used to measure electrical resistance?

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Multiple Choice

What unit is used to measure electrical resistance?

Explanation:
Resistance is the opposition to the flow of electric current. Ohm’s Law links voltage (potential difference), current, and resistance with V = I × R. The unit that makes this relationship consistent is the ohm. An ohm is defined so that one ampere of current through a component that has one ohm of resistance causes a one-volt drop across that component. In practice we also use milliohms or kilo-ohms, but the fundamental unit is the ohm. The other units measure different things: volts measure potential difference, amps measure current, and watts measure power. So the unit used to measure electrical resistance is the ohm.

Resistance is the opposition to the flow of electric current. Ohm’s Law links voltage (potential difference), current, and resistance with V = I × R. The unit that makes this relationship consistent is the ohm. An ohm is defined so that one ampere of current through a component that has one ohm of resistance causes a one-volt drop across that component. In practice we also use milliohms or kilo-ohms, but the fundamental unit is the ohm. The other units measure different things: volts measure potential difference, amps measure current, and watts measure power. So the unit used to measure electrical resistance is the ohm.

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