PUMPA - SMART LEARNING
எங்கள் ஆசிரியர்களுடன் 1-ஆன்-1 ஆலோசனை நேரத்தைப் பெறுங்கள். டாப்பர் ஆவதற்கு நாங்கள் பயிற்சி அளிப்போம்
Book Free DemoA 100 watt electric bulb is used for 5 hours daily and four 60 watt bulbs are used for 5 hours daily. Calculate the energy consumed in the units of kWh in the month of January.
[Note: Enter the answer up to two decimal places by rounding off the third decimal value].
The formula for electrical energy is
Energy used by 100 watt bulb is Wh.
Energy used by four 60 watt bulb is Wh.
Hence, the total energy used per day,
On converting Wh to kWh, we get kWh.
Number of days in January = 31 days
Energy used in January
Thus, the energy consumed by the bulbs in the month of January is kWh.
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