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Ikumawoyi Mayowa
Answers (1)
V.R=6; Eff=75%; L=90N E= ? Eff=M.A/V.R ˟ 100 75/100=M.A/6 100M.A=450 Divide by 100 M.A=4.5 M.A=L/E 4.5=90/E 4.5E=90 Divide both sides by 4.5 E=90/4.5 E=20N
