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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},"G4VCFOjRVXfdgtE13W8mnx6Ol6UK0m","q","What is the inductance (L) of an inductor whose reactance is 1Ω at 50/ π hertz (H)?","ans",[414],1,"2015","course","physics","exp","XL = WL = 2πFL (w = 2πf)
\n
\nXL = reactance inductor (S.I unit Ω)
\n
\nL = inductance (L) in Henry
\n
\nXL = 1Ω, f = 50/π, L = ?
\n
\n1 = 2× π × 50/π × L
\n
\n1 = 100L
\n
\ni.e. 100L = 1
\n
\nL = 1/100
\n
\n0.01H
\n
\n∴ Inductance (L) of a inductor = 0.01H","opts",[422,423,424,425],"100 H","0.01H","10H","1H",4,"4","initComment","initReply","actionData","errors"]

JAMB - Physics (2015 - No. 4)

Explanation

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