A series 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 +

Question

A series 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 +

Quizplus · Accepted Answer

The Answer of A series 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 +

A Series Circuit Consists of a 100 V DC Power