Two wires are identical, except that one is aluminum and one is copper. The aluminum wire has a resistance of 0.2070. What is the resistance of the copper wire? Take the resistivity of copper to be 1.72 x 10-8 Q-m, and that of aluminum to be 2.82 x 10-8 Q.m. Number i Units
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- An ideal emf ɛ = 12 V is wired into a circuit with resistors R1 = 4.0 N and R2 = 8.0 N, as shown below. R1 R2 a. Find the current in the circuit. b. Identify which resistor dissipates the greatest power and find that power.3.00 12.0V. 6.00 36.00 A. The total resistance of the "mini" parallel circuit is Ohms. Ohms. B. The total resistance of the whole circuit is A. C. The total current of the whole circuit is V. D. The voltage across the "mini" parallel circuit is W. E. The power dissipates in the 3 Ohms resistor is Input all answers as the whole numbers.You now have the half-life of the signal. You also know the circuit resistance. Here, calculate the capacitance (in μF) needed to give the circuit its half-life -- at least in theory. R = 367 Ohms Th = 241 μs
- The variable resistor Ro in the circuit is adjusted until the power dissipated in Ro is 40 W. Find the values of Ro that satisfy this condition. V,=60 V and R,=7,5 0, R2=30 0, R3=3 0, R4=6 0 and V=9iy. R, R3 R4 Vs R R. V. Lütfen birini seçin: O a. 1,50 and 3,90 O b. 0,55 and 4,50 Oc. 1,80 and 7,50 O d. 0,70 and 4,10 e. 0,31 and 2,40 * Of. 0,40 and 3,60 g. 1,80 and 7,20Ammeter ON TEMP COM Vn RAYOVAC 10A RAYOVAC sf BK TOO KIT 2706 R1 R2 R3 R4 200K TEMP MA COM Vn Voltmeter AL ACPMY BK TOOL KIT 2706 Let R1 = 100.5 Q, R2 = 102.1Q, and R3 = 198.9 Q. The recorded ampere meter and voltage meter's readings are I = 3.69 mA and V = 1.51 V, respectively. What is the percentage difference between the Rexn and Rth? Don't enter the "%" sign, just the absolute value in front of the "%" sign. %3D %3DYou have done the Wheatstone Bridge experiment using a power supply with emf Vo and a wire of length L and resistivity p and determined the balance point for unknown resistance R, known resistance Rg, Which of the following will keep fixed the ratio of L2/L? O a. Changing the unknown resistance and fixing other variables. O b. Varying the length of the wire and keeping everything else the same. O c. Changing the resistivity of the wire and keeping everything else the same. O d. Changing emf of the power supply and keeping everything else the same. O e. Changing the known resistance and fixing other variables.
- Compute for the total energy of the entire circuit. Select one: a. 128.42 micro Joules b. 352.12 micro Joules c. 273.56 micro Joules d. 478.08 micro JoulesM 1 Ω 11 V 3 W Ω 16 V a. Write Kirchhoff's junction rule for all junctions in the circuit. b. Write Kirchhoff's loop rule for all the loops in the circuit. c. Solve the circuit by finding the values of all the currents. 2 Ω mi M In this assignment you will be following the problem solving strategy for Kirchhoff Rules. 1. Reproduce, as neatly as possible, on paper, the circuit shown above. Do not make the circuit too small as you will have to add things to it later. 2. Label all relevant points in this circuit. For your benefit these points are marked with dots in the Figure above and they include: circuits junctions (i.e. places where 3/more wires connect), wire "corners" (i.e. places where a single wire is bent), and locations between two components on a single straight wire. These will help identify loops as well as making it easier to keep track of potential differences. Use lower case letters (a, b, c, ...) for this task. 3. For each junction draw and label the currents coming in…You have done the Wheatstone Bridge experiment using a power supply with emf Vo and a wire of length L and resistivity p and determined the balance point for unknown resistance R, known resistance R Which of the following will keep fixed the ratio of L2/L? O a. Changing the unknown resistance and fixing other variables. O b. Varying the length of the wire and keeping everything else the same. O c. Changing the resistivity of the wire and keeping everything else the same. O d. Changing emf of the power supply and keeping everything else the same. O e. Changing the known resistance and fixing other variables.
- A series RC circuit, which is made from a battery, a switch, a resistor, and a 3.45- µF capacitor, has a time constant of 11.0 ms. If an additional 12.0- µF is added in series to the 3.45- µF capacitor, what is the resulting time constant? O a. 14.2 ms b. 38.3 ms c. 1.19 ms d. 8.54 ms O e. This cannot be found without the value of the resistance being given.Three resistors with resistances R1 = 12.4 ohm, R2 = 16.5 ohm, and R3 = 18.4 ohm are is series circuit with a 24.6 volt battery. What is the total resistance (ohm %3D of the circuit?connected con sist of five resis tors 7.a A circit as below. Determine the effective Tesistance in the circuit. RI RS- R2 R+ Ginen R, = sor, Rz=25Jr, R3= 30r, R¢=60r, Rs= 70r iD Wlhat is Hhe current is Hhe circuit iç the potential the resistors is 24 V? CICcross What is the potential that ccin be tapped across Rs? b.A circuit consist sisc capacitors connicted as below, detemine the effective capacitalnce. (3 G= SmF, G= Smf, G= 6mF, C4 = 6mF, Gaigg fo Cs= 8mF, C6 = 8 mF. What is the energy stored in the capacitors in ;circuit if the potential across %3D the the capacitors is 24V? C- lwo charges +3C and t 5C are placed 20Cm from in Yacuum- Wlhat magnitude of force will. their Centres they ebcert on each other, If Hhe sccond charge hes its polacity changed to negative (-sc). Inlliat would be the nature of the force ? Will there be a change in magnitude ? LPermitivity of free space a 8.8sx 10 -12