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5. [0/1 Points] DETAILS PREVIOUS ANSWERS SERPSE10 26.4.OP.012. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER An aluminum wire has a resistance of 9.00 Q at
5. [0/1 Points] DETAILS PREVIOUS ANSWERS SERPSE10 26.4.OP.012. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER An aluminum wire has a resistance of 9.00 Q at 10.0 C. Determine its resistance (in Q) at 410 C. The temperature coefficient of resistivity for aluminum wire is 3.90 x 107 (C)". (Assume that the temperature coefficient of resistivity was measured using the reference temperature 20"C.) 23.04 1X We are interested in two cases. For case 1, we know the resistance at some temperature and for case 2 we wish to determine the resistance at some other temperature. Write an expression for the resistance as a function of the temperature for each case and eliminate Ro between the two expressions in order to determine the resistance for case 2. Q Need Help? Read It Submit Answer9. [3/5 Points] DETAILS PREVIOUS ANSWERS SERPSE10 27.2.OP.007.MI. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Consider the following figure. 7.00 02 4.00 0 W 9.00 0 WW W R A (a) Find the equivalent resistance between points a and b in the figure. (R = 14.0 0) 17.62 (b) Calculate the current in each resistor if a potential difference of 46.0 V is applied between points a and b. I (4.00 3.0375 1X Use the potential difference between a and b and the equivalent resistance between a and b to find the current between a and b. How is that related to the current through the 4.00-0 resistor?A I (7.00 = 1.736 A I (14.0 10.868 A I (9.00 = X Consider how the current through the 9.00-Q resistor is related to other currents you have calculated.A Need Help? Read It Master It Submit Answer11. [1N Paints] AILS PREVIOUS ANSWERS SERPSE1 l1 2T.3.0P.D1E. MY NOTES ASK YOU R TEACHER PRACI'ICE ANOTHER Consider die circuit shown in the gureI where 31 = 20-? V. 82 = 14.3 V, and R = 12.0 {1. {Due to die nature of mls problem, do not use rounded intermediate values In your calculationsincluding answers submitted in WebAsslgnJ L'H 11 "J'l IEAJII (D R {a} What is the current (In A) in each resistor? 1'1 = 0.3594 I Apply Kirchhost junction and loop rules to the circuit to find three separate equations in terms of the unknown currents, and solve your system for 1'1, 1'2, andi'or [3. A Ifx Apply Kirchhoff's junction and loop rules to the circuit to find three separate equations in terms of the unknown currents, and solve your system for 1'1. 1'2. andi'or I3. A I.=x Apply Kirchhoff's junction and loop rules to the circuit to find three separate equations in terms of the unknown currents, and solve your system for 1'1. 1'2. andfor J3. A {b} What is the power {In W] delivered oo each resistor? P1 = 3.516 x Apply the equation relating power, resistance, and current, and use your results from part [a] to calculate the power delivered to each resistor. W P2 = 1.113 x Apply the equation relating power, resistance, and current, and use your results from part [a] to calculate the power delivered to each resistor. Pa = IE x _ _ _ _ _ Apply the equation relating power, resistance, and current, and use your results from part [a] to calculate the power delivered to each resistor. W {c} What is the total power [in W) supplied by both batoerles? _x Use P = Lilli, and the currents found in part (a), to find the power supplied by each battery. What is the total supplied power? W
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