Q. 20. Find the energy in consumed in hours by four devices of power each.
The energy consumed by 1 device is given by :
Thus the energy consumed by 4 devices is
CBSE Class 10, 12 syllabus 2024-25 out; board restores two-level mathematics rule
CBSE Class 10 board exam 2024 passing criteria, eligibility for compartment; all you need to know
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