FIGURE 26-21
-A 4-Ω resistor is connected in parallel with a 12-Ω resistor and this combination is connected to a 6-V DC power supply as shown in Fig. 26-21. What is the current through the 12-Ω resistor?
A)1.5 A
B)2.0 A
C)2.5 A
D)3.0 A
E)0.5 A

Question

FIGURE 26-21 
-A 4-Ω resistor is connected in parallel with a 12-Ω resistor and this combination is connected to a 6-V DC power supply as shown in Fig. 26-21. What is the current through the 12-Ω resistor?
A)1.5 A 
B)2.0 A 
C)2.5 A 
D)3.0 A 
E)0.5 A

Quizplus · Accepted Answer

The voltage across resistors in parallel is the same. Using Ohm's Law (V = IR), the current through the 12-Ω resistor is I = V/R = 6V/12Ω = 0.5 A.

FIGURE 26-21 -A 4-Ω Resistor Is Connected in Parallel with a 12-Ω