Calculate internal resistance of the battery, Physics

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Calculate internal resistance of the battery

When an external resistor of resistance R1 = 16 Ω is connected to the terminals of a battery, a current of 6.0 A flows through the resistor. When an external resistor of resistance R2= 62.4 Ω is connected instead, the current is 2.0 A. Calculate:

(a) the emf of the battery and
(b) the internal resistance of the battery.

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Physics: Calculate internal resistance of the battery

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Physics: Calculate internal resistance of the battery

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