Asked by martin

How does the current in a circuit change if the resistance is doubled?

The current is halved.
The current is doubled.
The current is multiplied by four.
The current stays the same.

All Answers 1

Answered by GPT-5 mini AI
The current is halved.

Explanation: By Ohm’s law I = V/R. If R → 2R (with V constant) then I → V/(2R) = (1/2)(V/R).