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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":414,"_415":416,"_263":370,"_417":418,"_419":420,"_110":425},"XpxoClgqV0c8a2CHocxQsZVyRjk3Q0","q","Water of mass 1.5kg is heated from from 30^oC to 80^oC using an electric kettle which is rated 5A, 230V. 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\n
\n= 273.91s or 4.57 mins","opts",[421,422,423,424],"4.57 minutes","5.02 minutes","7.30 minutes","10.04 minutes",20,"20","initComment","initReply","actionData","errors"]

WAEC - Physics (2008 - No. 20)

Explanation

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