The resistors in the circuit below have the following values: R₁ = 6.70, R₂ = 7.00 , and R3 = 4.30 . The two batteries each have a voltage of 7.00 V. ww R3 www. ww E₁ R₁ E₂ (a) Find the current in through R3. x 1.8 Is it possible to reduce the circuit by considering series and/or parallel combination of resistors? What is the total current delivered by the batteries? What is the voltage across R₂?

R R Problem 6: Consider the circuit in the figure, with the current directions defined as shown. There are four resistors in this circuit (R1, R2, R3, and b a 20 2 R4) and four batteries with emfs & = 16.5 V, &2 = 2.5 V, &3 = 9.5 V, and &4 = 21.9 V, each with internal resistance given by r¡ as marked in the figure. 0.50 Randomized Variables & = 16.5 V E2 = 2.5 V E3 = 9.5 V E4 = 21.9 V 5 0.5 2 0,25 2 R. 15 0 e 0.75 2 Part (a) Calculate the current I in amps. Numeric : A numeric value is expected and not an expression. I = Part (b) Calculate the current I2 in amps. Numeric : A numeric value is expected and not an expression. I2 = Part (c) Calculate the current I3 in amps. Numeric : A numeric value is expected and not an expression. I3

1 + 9 V 6Ω 4 3 What is the total resistance in the circuit above? W What is the total current? A What is the voltage at 1? V What is the voltage at 2? V What is the voltage at 3? V What is the voltage at 4? V What is the current at 4? 2. 1

a). A circuit consist of five resistors connected as below, determine the effective resistance in the circuit. RI R2 Given that R1, R,Rs,RA and Rs are given respectively as 50, 25, 30, 60 and 70Q, what is the current in the circuit if the potential aeross the resistors is 24 V?