SI Unit of Resistance is

Electrical Engineering MCQ Question with brief explanatory answer and explanation on the statement “SI Unit of Resistance is”. Understand what resistance is and what is its SI unit in this MCQ post.

Also see complete list of Electrical Engineering Units and Quantities MCQ here

SI unit of Resistance is:

  1. volts
  2. amps
  3. ohms
  4. watts

Correct answer: 3. ohms

Explanation: The correct answer for this Electrical Engineering MCQ is ohms.

Resistance is a measure of how much a material or component opposes the flow of electric current. It is represented by the symbol “R” and is measured in ohms (Ω). The unit “ohm” is named after the German physicist Georg Simon Ohm, who formulated Ohm’s Law, which describes the relationship between voltage, current, and resistance in an electrical circuit.

Volts (V) are the SI unit of electrical potential difference or voltage. Voltage is a measure of the electric potential energy per unit charge in a circuit.

Amps (A) are the SI unit of electric current. Current is a measure of the flow of electric charge per unit time.

Watts (W) are the SI unit of power. Power represents the rate at which energy is transferred or consumed in an electrical circuit. It is calculated by multiplying the voltage across a device by the current flowing through it.

Therefore, while volts, amps, and watts are important electrical quantities, the SI unit for resistance is ohms.

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