-If a fifth 10 kΩ resistor is connected in series in Figure 6 -3, how does VR4 change?
A)VR4 remains the same.
B)VR4 increases.
C)VR4 decreases.
D)VR4 increases to 10 V.

Question

-If a fifth 10 kΩ resistor is connected in series in Figure 6 -3, how does VR4 change?
A)VR4 remains the same. 
B)VR4 increases. 
C)VR4 decreases. 
D)VR4 increases to 10 V.

Quizplus · Accepted Answer

When a resistor is added in series, the total resistance increases, leading to a decrease in the current through the circuit. Since VR4 is dependent on the current (Ohm's Law: V = IR), VR4 will decrease.

-If a Fifth 10 KΩ Resistor Is Connected in Series