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ICSE Class 10 Answered

exercise 8c numerical 21
question image
Asked by nilesh.dhote74 | 13 May, 2020, 01:19: PM
answered-by-expert Expert Answer
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
Answered by Utkarsh Lokhande | 13 May, 2020, 01:55: PM
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