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Standard X

Physics

Electric Power

In a house fi...

Question

In a house five balls of 25 watt each are used for 6 hours a day calculate the units of electricity consumed in a month of 30 days. Also find the total expenditure if 1 unit electricity costs rs 1.50.

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Solution

Dear Student ,
Here in this case from the given data ,
$E n e r g y c o n s u m e d = E = 25 \times 6 \times 30 = 4500 W h = 4 \cdot 5 K W h S o t h e t o t a l e x p e n d i t u r e i s = 4 \cdot 5 \times 1 \cdot 50 = 6 \cdot 75 R s .$

Regards

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In a house five balls of 25 watt each are used for 6 hours a day calculate the units of electricity consumed in a month of 30 days. Also find the total expenditure if 1 unit electricity costs rs 1.50.

Dear Student , Here in this case from the given data , Energy consumed=E=25×6×30=4500 Wh=4·5 KWhSo the total expenditure is=4·5×1·50=6·75 Rs . Regards

Dear Student ,
Here in this case from the given data ,
$E n e r g y c o n s u m e d = E = 25 \times 6 \times 30 = 4500 W h = 4 \cdot 5 K W h S o t h e t o t a l e x p e n d i t u r e i s = 4 \cdot 5 \times 1 \cdot 50 = 6 \cdot 75 R s .$

Regards