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The unit of power in the SI system is defined as: (2023)

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Question: The unit of power in the SI system is defined as: (2023)

Options:

  1. Joule per second
  2. Newton per meter
  3. Watt per hour
  4. Kilogram meter per second

Correct Answer: Joule per second

Exam Year: 2023

Solution: 

The SI unit of power is defined as Joule per second (Watt).

The unit of power in the SI system is defined as: (2023)

Practice Questions

Q1
The unit of power in the SI system is defined as: (2023)
  1. Joule per second
  2. Newton per meter
  3. Watt per hour
  4. Kilogram meter per second

Questions & Step-by-Step Solutions

The unit of power in the SI system is defined as: (2023)
  • Step 1: Understand that power is the rate at which energy is used or transferred.
  • Step 2: Know that in the International System of Units (SI), power is measured in Watts.
  • Step 3: Recognize that 1 Watt is defined as 1 Joule of energy used per second.
  • Power – Power is the rate at which work is done or energy is transferred over time.
  • SI Units – The International System of Units (SI) is the standard system of measurement used in science and engineering.
  • Watt – The Watt (W) is the SI unit of power, equivalent to one Joule per second.
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