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Ohm's Law in Scalar Form

What is the c...

Question

What is the current through a 5.0 ohm resistor if the voltage across it is 10 V?

A

zero

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B

0.50 A

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C

2.0 A

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D

5.0 A

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Solution

The correct option is D 2.0 A
The current can simply be calculated using the relation,
$I = \frac{V}{R} ⟹ I = \frac{10}{5.0} = 2.0 A$

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