A variable resistor has a voltage of 12.0 V placed across it. If the resistance

Question

A variable resistor has a voltage of 12.0 V placed across it. If the resistance is increased 20%, what happens to the current through it? (1.6pts) it increases 20% it increases 25% it decreases 20% it decreases 17% it decreases 25% A variable resistor has a voltage of 12.0 V placed across it. If the resistance is increased 20%, what happens to the current through it? A variable resistor has a voltage of 12.0 V placed across it. If the resistance is increased 20%, what happens to the current through it? (1.6pts) it increases 20% it increases 25% it decreases 20% it decreases 17% it decreases 25% it increases 20% it increases 20% it increases 25% it increases 25% it decreases 20% it decreases 20% it decreases 17% it decreases 17% it decreases 25% it decreases 25%

Explanation / Answer

io=v/r

i=v/1.2r

=0.833 io

so it decreses by 17 %

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