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A cell of e.m.fE and internal resistance r was connected in series with two external...

A cell of e.m.fE and internal resistance r was connected in series with two external resistors A and B, of 4ohm and 2.5ohm respectively. when a high resistance voltmeter was connected across A, the reading was found to be 2v.when another resistor of 4ohm was connected parallel to A and the voltmeter connected acrossA andB,the voltmeter reads 3v.Draw circuit diagrams of the two arrangement.calculate the e.m.f and the internal resistance of the cell.?
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Asked by Anne on 27th April, 2019
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WAEC offline past questions - with all answers and explanations in one app - Download for free
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WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709
WAEC offline past questions - with all answers and explanations in one app - Download for free
WAEC May/June 2024 - Practice for Objective & Theory - From 1988 till date, download app now - 99995
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC Past Questions, Objective & Theory, Study 100% offline, Download app now - 24709