Physics

9th

grade

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TLE 9 PT - EASY ROUND

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5 questions

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  • 1. Multiple Choice
    2 minutes
    1 pt

    A salon uses 800W hair blower for approximately 10 hours a day. What is the daily energy consumption of the hair blower?

    8000 kWh

    8 kWh

    56 kWh

    1680 kWh

  • 2. Multiple Choice
    2 minutes
    1 pt

    A photo studio uses 2 sets of 300W studio lighting for 7 hours a day. What is the daily energy consumption of the studio lights?

    2.1 kWh

    14.7 kWh

    4.2 kWh

    2,100 kWh

  • 3. Multiple Choice
    2 minutes
    1 pt

    A convenient store that is open 24/7 uses 4 units of 400W refrigerator. What is the weekly consumption of all refrigerators in an entire week?

    9.6 kWh

    38.4 kWh

    67.2 kWh

    268.8 kWh

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