ICSE Class 10 Answered
exercise 8c numerical 21
![question image](http://images.topperlearning.com/topper/new-ate/top_mob15893561531841909002374d688e-9922-4e43-89d4-8b5c461b6b20.jpg)
Asked by nilesh.dhote74 | 13 May, 2020, 13:19: PM
![P o w e r equals V cross times I
1500 equals 250 cross times I
I equals 6 A
E n e r g y equals V cross times I cross times t
E n e r g y equals 250 cross times 6 cross times 50 equals 75000 W
0 r
75 k W
C o s t space R s 4.20 space p e r space k W h
T o t a l space cos t equals 4.20 cross times 753 equals R s space 315](https://images.topperlearning.com/topper/tinymce/cache/b91a38858ffd363c4425c3290db132ad.png)
Answered by Utkarsh Lokhande | 13 May, 2020, 13:55: PM
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