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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":426},"UgFl3q5GuQtpL3gNph5Lft36CCI3Fp","q","An immersion heater rated 400W, 220V is used to heat a liquid of mass 0.5kg. If the temperature of the liquid increases uniformly at the rate of 2.5^oC per second, calculate the specific heat capacity of the liquid. [Assume no heat is lost]","ans",[414],1,"2005","course","physics","exp","pt = mc\\(\\theta\\)
\n
\nC = \\(\\frac{pt}{m \\theta}\\)
\n
\n= \\(\\frac{400 \\times 1}{0.5 \\times 2.5}\\)
\n
\n = 320Jkg^-1K^-1","opts",[422,423,424,425],"1100Jkg^-1K^-1","320Jkg^-1K^-1","200Jkg^-1K^-1","176Jkg^-1K^-1",19,"19","initComment","initReply","actionData","errors"]

WAEC - Physics (2005 - No. 19)

Explanation

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