Which of the Following Has the Largest Current Flowing Through

question 27

Multiple Choice

Which of the following has the largest current flowing through it?

• A)a 1-m long copper wire of diameter 1 mm connected to a battery of 10 V
• B)a 0.5-m long copper wire of diameter 0.5 mm connected to a 5-V battery
• C)a 2-m long copper wire of diameter 2 mm connected to a 20-V battery
• D)a 1-m long copper wire of diameter 0.5 mm connected to a 5-V battery
• E)All of the choices have the same current.

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