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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",10,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":427},"G5UE0XkjGg9QBN9RpBV0QcEDVtqoVd","q","All the heat generated by a current of 2A passing through a resistor of 6Ω for 25s is used to evaporate 5 g of a liquid at its boiling point. What is the specific latent heat of the liquid?","ans",[414],1,"1989","course","physics","exp","Electrical Energy = Heat Energy.
\nI2Rt = ml
\n22 x 6 x 25 = 5 x L.
\nL = 120 Jg-1.","opts",[422,423,424,425,426],"60 Jg^-1","120 Jg^-1","300 Jg^-1","360 Jg^-1","1500 Jg^-1",18,"18","initComment","initReply","actionData","errors"]

WAEC - Physics (1989 - No. 18)

Explanation

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