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3 years ago

13

A battery having an emf of 9.76 V delivers 111 mA when connected to a 60.5 Ω load. Determine the internal resistance of the batt

ery. ______Ω

1 answer:

kow [346]3 years ago

5 0

Answer:

$r = 27.4 \: ohm$

Explanation:

Using

E = I(R + r)

$9.76 = 111 \times {10}^{ - 3} (60.5 + r) \\ 87.928 = 60.5 + r \\ r = 27.4 \: ohm$

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