A Series Circuit Consists of a 100 V DC Power

question 64

Multiple Choice

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 +

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