if a cell supplies a current of 0.5a when it's emf is 2v and internal...

if a cell supplies a current of 0.5a when it's emf is 2v and internal resistance is 1 ohms calculate it's external resistance
a). 0.5ohms
b). 1ohms
c). 2ohms
d). 2.5ohms
e). 3ohms?

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Asked by Ayomideadedeji on 9th May, 2019

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