A Resistor Is Made of a Material That Has a Resistivity

question 1

Multiple Choice

A resistor is made of a material that has a resistivity that is proportional to the current going through it.If the voltage across the resistor is doubled,what happens to the current through it?

• A)It doubles.
• B)It quadruples.
• C)It increases by a factor of 2^3/2.
• D)It increases by a factor of 2^1/2.

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