2. Suppose that one more battery is inserted in series with the existing one (Fig.1). What quantities will change and how? a Potential difference on the light bulb (LB) t Electric current in the circuit Verify your predictions usingthe sim and explain the result. 3. Suppose that one more battery is inserted in parallel with the existing one in Fig.1. What quantities will change and how? a Potential difference on the LB 0 Electric current in the circuit a What is the current flowing through each battery? Verify your predictions and explain the results. 4. What are the advantages of connecting batteries in series or parallel