The total charge a battery can supply is rated in mA x hr. the product of the cu

Question

The total charge a battery can supply is rated in mA x hr. the product of the current (in mA) and the time (in lu) that the battery can provide this current. A battery rated at 1000 mA x hr can supply a current of 1000 mA for 1.0 hr. 500 mA current for 2.0 hr. and so on. A typical AA rechargeable battery has a voltage of 1.2 V and a rating of 1800 mA x hr. For how long could this battery drive current through a long, thin wire of resistance 16 ohm ? Express your answer to two significant figures and include the appropriate units.

Explanation / Answer

batteru gives 75 mA, so time = 24 hours

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