Q. 14. An electric heater is rated 1500 W. How much energy does it use in 10 hours?
The relation between energy and power is given by :
Energy = Power Time
Thus the energy used in 10 hours is :
Hence the energy used by the heater is 15 KWh.
CBSE Class 10, 12 syllabus 2024-25 out; board restores two-level mathematics rule
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