An electric flat-plate square heater of sides 10 cm provides 100 W pow – McqOptions

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1.	An electric flat-plate square heater of sides 10 cm provides 100 W power from each side. If the heater is assumed to be black, its temperature is approximately:
A.	648°C
B.	648 K
C.	6480°C
D.	6480 K
Answer» C. 6480°C

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