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It assesses knowledge in subjects relevant to the candidate’s chosen course of study.","tags","utme jamb joint admission matriculation board unified tertiary matriculation examination nigeria africa","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",19,"createdOn",1755987353430,"updatedOn","questionsCount",29915,"courseCount",20,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":415,"_416":417,"_263":370,"_418":419,"_420":421,"_110":426},"vrdgbkECudWBlbHVkZYsH273atgezE","q","An electric iron is rated 1000W, 230V. What is the resistance of its elements?","ans",[414],1,"2002","course","physics","exp","Electric Power = IV = I²R = ^V²/_R thus for a device rated 1000 W, 230V, from the relation P = ^V²/_R, 1000 = ^(230)²/_R
\n=> R = ^(230)²/₁₀₀₀
\n= 52900/1000 = 52.9Ω","opts",[422,423,424,425],"51.9Ω","52.9Ω","55.9Ω","57.6Ω",32,"32","initComment","initReply","actionData","errors"]

JAMB - Physics (2002 - No. 32)

Explanation

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