laurenbjordan laurenbjordan

21-06-2022
Physics

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A set of electric trains are powered by a 9 V battery. What is the resistance of the trains if they draw 4.0 A of current?

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jsimpson11000 jsimpson11000

21-06-2022

Answer:

2.25 Ω

Explanation:

Standard equation

V = IR re-arrange to

V /I = R then sub in the values given

9 / 4 = 2.25 Ω

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