A parallel circuit consists of a 100-V DC power source, a 100-? resistor, and a variable resistor of resistance R, which varies from 0 to 100 ?. The current in the circuit is

?



?



a.

directly proportional to R.



b.

inversely proportional to R.



c.

directly proportional to (100 ? + R).



d.

inversely proportional to (100 ? + R).



e.

neither directly nor inversely proportional to R or to (100 ? + R).


e

Physics & Space Science

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