EXPLANATION
Question: The unit of power in the SI system is:
- a) Joule
- b) Ampere
- c) Volt
- d) Watt
ANSWER: d) Watt
EXPLANATION:
d) Watt
The unit of power in the International System of Units (SI) is the Watt (symbol: W). The Watt is defined as one Joule of energy transferred per second. It measures the rate at which work is done or energy is transferred. The Watt is commonly used to express the power of electrical devices, such as light bulbs and appliances, as well as the power output of engines and motors.
