What unit is used to measure electrical resistance?

What unit is used to measure electrical resistance?

• A. Ampere.
• B. Volt.
• C. Ohm.
• D. Watt.

Answer: (C)

Resistance is how much a component slows down the flow of electric current. The unit for resistance is the ohm, symbolized by Ω. Ohm's Law ties these ideas together: R = V / I, so resistance equals the voltage across a component divided by the current through it. One ohm is the resistance that lets one ampere flow when one volt is applied. For example, with 6 volts and 2 amperes, the resistance is 3 ohms. Different quantities have their own units: current is measured in amperes, voltage in volts, and power in watts.

Resistance is how much a component slows down the flow of electric current. The unit for resistance is the ohm, symbolized by Ω. Ohm's Law ties these ideas together: R = V / I, so resistance equals the voltage across a component divided by the current through it. One ohm is the resistance that lets one ampere flow when one volt is applied. For example, with 6 volts and 2 amperes, the resistance is 3 ohms. Different quantities have their own units: current is measured in amperes, voltage in volts, and power in watts.