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 Source