A. 60 Jg−¹
B. 120 Jg−¹
C. 300 Jg−¹
D. 360 Jg−¹
E. 1500 Jg−¹
Correct Answer: Option B
Explanation
Electrical Energy = Heat Energy.
I²Rt = ml
2² x 6 25 = 5 x L.
L = 120 Jg-1.
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![A solid of mass 0.5kg initially at 50oC melts at 60oC. Calculate the quantity of heat required to melt it completely. [specific heat capacity of the solid =2.0KJ kg-1K-1][Specific latent heat of fusion of solid =1.0 KJ kg-1]](https://erudites.ng/wp-content/plugins/contextual-related-posts/default.png "A solid of mass 0.5kg initially at 50oC melts at 60oC. Calculate the quantity of heat required to melt it completely. [specific heat capacity of the solid =2.0KJ kg-1K-1][Specific latent heat of fusion of solid =1.0 KJ kg-1]")
