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A 1.35-V mercury cell with a capacity of 1.5 A h is used to power a...

A 1.35-V mercury cell with a capacity of 1.5 A h is used to power a cardiac pacemaker.

(a)   If the power required is 0.1 mW (1 mW = 1 milliwatt = 0.001 W), what is the average current?

(b) How long will the cell last?

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