If resistance increases, the current in the circuit:

If resistance increases, the current in the circuit:

• A. Increases
• B. Stays the same
• C. Becomes zero
• D. Decreases

Answer: (D)

Current is inversely related to resistance when the voltage is fixed. According to Ohm’s law, I = V/R. If the voltage doesn’t change and resistance increases, the current must decrease. For example, with a 10 V source, increasing resistance from 5 Ω to 10 Ω drops current from 2 A to 1 A. So the circuit current decreases as resistance rises. The other options don’t fit because increasing current would need more voltage or less resistance, staying the same would require a precise balance between V and R, and becoming zero would require infinite resistance, which isn’t implied here.

Current is inversely related to resistance when the voltage is fixed. According to Ohm’s law, I = V/R. If the voltage doesn’t change and resistance increases, the current must decrease. For example, with a 10 V source, increasing resistance from 5 Ω to 10 Ω drops current from 2 A to 1 A. So the circuit current decreases as resistance rises. The other options don’t fit because increasing current would need more voltage or less resistance, staying the same would require a precise balance between V and R, and becoming zero would require infinite resistance, which isn’t implied here.