Question

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what is the unit of resistance?
volt.
ampere.
ohm.
ok

Explanation:

Resistance is a fundamental concept in physics related to electrical circuits. The unit of resistance is defined in the International System of Units (SI). Among the given options:

• Volt ($V$) is the unit of electric potential difference.
• Ampere ($A$) is the unit of electric current.
• Ohm ($\Omega$) is specifically defined as the unit of electrical resistance. This is based on Ohm's Law ($V = IR$, where $R$ is resistance), and the unit is named after Georg Simon Ohm who studied the relationship between voltage, current, and resistance in circuits.

Answer:

Ohm.