(10%) Problem 3: A circuit consisting of 5 resistors is shown in the graph. Their resistances are R1 = 16 Q,R2 =45 S2,R3 = 89 Q,R4 = 69 Q, andR5 :32 S2, andthe emfofthe battery is s = 7.5 V. Suppose the internal resistance of the battery is zero. t thcmpcrltuxum A 14% Part (a) Express the equivalent resistance of the combination of R2, R 3, and R4. Grade Summary Req = I Deductions 0 '7: Potential 100% (J: Submissions 9 Attempts remaining: (% per attempt) l detailed view R1 R4 Submit Hint I l I give up! Hints: 5 % deduction per hint. Hints remaining: 1 Feedback: 0% deduction per feedback. ' A 14% Part (b) Express the total resistance of the circuit R in terms of R1, R2, R 3, R4, and R5. ' A 14% Part (c) Calculate the numerical value of the total resistance R in S2. . A 14% Part ((1) Express the current I through R1 in terms of the emf e and the equivalent resistance R. t A 14% Part (9) Calculate the numerical value of I in A. i-' A 14% Part (1') Express the power P dissipated by R1 through I and R]. i A 14% Part (g) Calculate the numerical value of the power P in W