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20 Nov 2019
A battery has an emf of V and an internal resistance of r, What resistance R, when connected across the terminals of this battery, will cause the terminal voltage of the battery to be 1/2 V? R = 1/2 r R = r R = 4r R =1/4 r R = 2r
A battery has an emf of V and an internal resistance of r, What resistance R, when connected across the terminals of this battery, will cause the terminal voltage of the battery to be 1/2 V? R = 1/2 r R = r R = 4r R =1/4 r R = 2r
Patrina SchowalterLv2
12 Jul 2019