A Parallel Circuit Consists of a 100 V DC Power

Multiple Choice

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

A) directly proportional to R.
B) inversely proportional to R.
C) directly proportional to (100 Ω + R) .
D) inversely proportional to (100 Ω + R) .
E) neither directly nor inversely proportional to R or to (100 Ω + R) .