14. (C2, 4, 31, 32, 38) Rank the following quantities (ie tell me which is larger or if they are equal,) for the circuit to the right. Explain your reasoning. The wires have resistivity PB-5PA, length LB-2LA, and radius RB=3RA. The current density though wires A and B The resistance of wires A and B
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- A 20.00-V battery is used to supply current to a 10-k resistor. Assume the voltage drop across any wires used for connections is negligible, (a) What is the current through the resistor? (b) What is the power dissipated by the resistor? (c) What is the power input from the battery; assuming all the electrical power is dissipated by the resistor? (d) What happens to the energy dissipated by the resistor?Dexter is maufacturing guy at laboratory inc. he is manufacturing the turnicated cone shape below. Iron has a resistivity of 1.0x10^(-7). Help dexter calculate the resistance between the two circular ends of the tunricated iron conductor below. 2.00 cm 20.0 cm 1 4.00 cmmoodle.nct.edu.om/m arning Portal Courses Reports e-Services - Academic Departments ETC CIMS - äö pio Moving Forward purses / PHYS1100 / Homework No.2/ Homework No.2 An iron wire has a diameter 3.05 mm and resistivity 9.71x 10-8 Qm. What will be the length of this wire to make a resistance of 302. What will be the new resistance, if the radius is doubled? (a) Length of the wire (in m) = (b) Resistance of the wire (in )N = Next page Upload your Homework 2 Answer - Jump to.. pad - Quiz-2 OneDrive CH6VZR403C NG 4) G E DELL
- Please determine what is asked 1. The resistance of a wire is R ohms. It is stretched to ten times its original length. What is the new resistance of the wire (in terms of R)? 2. The resistance of a wire of uniform diameter d and length I is R. Find the resistance (in terms of R) of another wire of the same material but with diameter 2d and length 41.A circuit is made using three batteries: E = 16 V. &=11 V, and E=3.0 V. Each battery is connected in series to an identical resistor R=425 The three battery/resistor combinations are in parallel as shown in (Figure 1). Figure 8₂ &₁ R www R www R wwww 1 of 1 Part B What are the three current values I₁, I₂, and Is in this circuit? Enter I, first, then 1₂, and finally Is. Separate your answers with a comma. Give all three values using three significant figures. View Available Hint(s) ΕΘΕΙ ΑΣΦ hah 0.0188,7.06.10 ³,0.0259 Submit Previous Answers Bequest Answer X Incorrect; Try Again Part C Complete previous part(s) Part D Complete previous part(s) Part E Complete previous part(s) Provide Feedback A Next >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?
- Figure 1 shows a circuit which connects four resistors and three batteries. Calculate the currents I, L, Is and I by applying a Kirchhoff's rules. Neglect the internal resistance in each battery. R, = 100 E, = 15 V R = 100 R = 100 R = 100 E, = 15 V E, = 9V Rajah 1/ Figure 1An Iron wire at 0 Celcius has resistivity Ro. At which temperature the resistiv- ity of this wire will be 1.2R9. You can find the value temperature coefficients of resistivity from Table 25.2 from your book. Explain the physical mechanism of rising resistivity by the rising temperature.ww R1 R2 ww 1. Are Ri and lR2 connected in series or parallel? 2. If R1 = 5k2 and R2 = 10kN, what will the equivalent resistance be? 3. If the battery is a 12V battery, what will the current through the it be?
- 4a. Find the current in the circuit (magnitude and direction) 4b. Find the potential difference of V_ab of point a with respect to point b. 4c. Find the potential difference of V_bc of point b with respect to point c. 4d. What is the total rate at which electrical energy dissipatate in R1, R2, and R3 resistors. 4e. What is the power output of the 26V battery? 4f. At what rate is the electrical energy being converted to other forms in the 10V battery? 4g. Show that the power output of the 26V battery equals the overall rate of dissipation of electrical energy in the rest of the circuit?Number 12 copper wire (diameter 0.08080 inch) used for electrical installations in homes. What is the voltage drop in 50 m of #12 copper wire if it carries a current of 6.0 A? How many electrons pass through the copper wire per second (e = 1.6 x 10-19 C)? (The resistivity of copper is 1.7 x 10-8 2-m.) %3DTwo resistors of resistance 230 O and 340 O are connected in series (one after the other). A potential difference of 20 V is applied between the ends of the chain. a)What is the total resistance of the circuit (in O)? Give your answer as a whole number. b)Calculate the current flowing through the circuit (in A). Gve your answer to 3 d.p. and use this value to that degree of accuracy, in subsequent calculations, if needed. c)Calculate the potential difference across the 230 O resistance. Give your answer in volts to 2 d.p..