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.

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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