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merrisara merrisara
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To determine the polarity of the voltage drop across a resistor, it is necessary to know the:



value of the current through the resistor.



direction of the current through the resistor.



resistance value of the resistor.



voltage drop across the resistor.

Textbook 
Electricity for the Trades

Electricity for the Trades


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nenialindanenialinda
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merrisara Author
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4 months ago
Smart ... Thanks!
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Good timing, thanks!
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Just got PERFECT on my quiz
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