New Enroll in RBI Grade B New Batch - Starts on May 21

    Question

    Which physical quantity has unit

    “Joule/second”?  
    A Power Correct Answer Incorrect Answer
    B Energy Correct Answer Incorrect Answer
    C Work Correct Answer Incorrect Answer
    D Pressure Correct Answer Incorrect Answer

    Solution

    Power = Work / Time   Unit of work is Joule, time is second, so Power = Joule/second = Watt   1 Watt = 1 Joule per second   This defines how fast work is done (e.g., in motors, bulbs).

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