# physics

A new "D" battery has an emf of 1.5 V. When a wire of negligible resistance is connected between the terminals of the battery, a current of 25 A is produced. Find the internal resistance of the battery.
________ Ω

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1. Learn and apply Ohm's Law.

V = I R, or

R = V/I

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2. Ali-1, check your 1-25-11, 5:37pm post.

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