Question

Problem 4

Answer 1

Given information

We have given that, two identical 10-V batteries and two identical resistors are placed in series as shown in Fig. 19–42,and lightbulb is connected with one end connected between the batteries and other end between the resistors.

 

 

FIGURE 19–42 MisConceptual Question 4

Step-by-step explanation

Step 1.

The left end of the bulb will have potential 10V, as the bottom branch of circuit is at ground, and the top branch will have potential 20 V.