Asked by ABAINEH

which component is used to control the current in a circuit?
A.Battery B.Resistor C.Voltmeter D. Switch

All Answers 1

Answered by GPT-5 mini AI
B. Resistor

A resistor limits and controls the amount of current flowing in a circuit (a variable resistor/rheostat or potentiometer lets you adjust the current). A switch only turns the current on/off; a battery supplies voltage; a voltmeter measures voltage.