Using Kirchhoff's rules, find the following. (₁ = 70.4 V, 8₂= 60.8 V, and 8 = 78.4 V.) 4.00 ΚΩ - IR3 2.00 k F ww R₁ R₂ C E₂ www R₂ (a) the current (in mA) in each resistor shown in the figure above MA IR₂ MA MA 3.00 kn d 8. (b) the potential difference between points c and f (Give the magnitude of your answer in volts and select the point of highest potential.) magnitude of potential difference point at higher potential (c) What If? If all of the resistors in the circuit were decreased in value by a factor of 1,000, would the current in each resistor simply increase by a factor of 1,000? Explain your answer. --Select--- ·

Using Kirchhoff's rules, find the following. (₁ = 70.4 V, 8₂= 60.8 V, and 8 = 78.4 V.) 4.00 ΚΩ - IR3 2.00 k F ww R₁ R₂ C E₂ www R₂ (a) the current (in mA) in each resistor shown in the figure above MA IR₂ MA MA 3.00 kn d 8. (b) the potential difference between points c and f (Give the magnitude of your answer in volts and select the point of highest potential.) magnitude of potential difference point at higher potential (c) What If? If all of the resistors in the circuit were decreased in value by a factor of 1,000, would the current in each resistor simply increase by a factor of 1,000? Explain your answer. --Select--- ·

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

Find the resistance (in the unit of Ohm) of a Nichrome rod of diameter d=10 mm and has a length L=7 m (resistivity of Nichrome, P= 1.8x 10 Q.m) a. 0.0003207 b. 2.572 10-8 c. 0.0001604 d. None e. 0.01266
فير A conductor has a cross-sectional area of 2.3x 10-6 m and the number of free electrons per unit volume is 8.5x 10- electron/m. When the current is 8.6 A, find the drift speed (in mm/s) of the electrons. Use the charge of the electron to be 1.6x 10-19 C. Select one: OA 0.19 OB. 27.49 CC.036 C0.36.09 CE.027 page
In the figure resistor 1 = 126 2, resistor 2 = 81 N, and the ideal batteries have emfs ɛ1 E2 = 5 volts, and ɛ3 = 7 volts. Find the current through resistor 1. = 29 volts, Round off answer up to 3 decimal places. Consider absolute value. Include the unit (A for ampere, V for volt and ohm for ohm). Rz RI ww
ostro Imssb1.mutah.edu.jo/mod/ A thermometer made of Platinum has a resistance of 50 2 at 20 C, what is the measured temperature (in units of C) when its resistance is 77 N. Assume the temperature coefficient of resistivity to be a= 3.92x 10 C
= 250 [12]. Andami namang resistors! Consider the resistor network shown in the figure, with R₁ R₂ = 1.0 [kN], R3 = 1.2 [kN], R4 = 1.0 [kN], and R5 = 1.5 [k]. The source voltage & is 24 [V], and has no internal resistance. What is the current passing through R₁? E R₁ www www R₂ O A. 34 [mA] O B. 54 [mA] O C. 96 [mA] O D. 104 [mA] www R3 R4 R5
A battery is supplying electrical power to a single resistor R. If the total current in the circuit is 0.75 A, determine the value of R. The battery has EMF 8 V and internal resistance 1 ohm. Express your answers accurate to four decimal places. O 9.6667 ohms; O The answer cannot be found on the other choices. 10.6667 ohms; O 11.6667 ohmsl
Question 1 I= Part (a) I measure the resistance of this wire and find it to be R = 156 Q2. What is the resistivity of the material the wire is made out of? p=5.182 *10-4 p=5.182 x 10-4 ✓ Correct! Part (b) What is the conductivity of this wire, in inverse Ohms per meter? 1930. ✓ Correct! o=1929.8 Part (c) Part (c) Give an expression for the current density in the wire if an electric field E is passing through it. Write this in terms of the resistivity and the other variables in the problem. A particular wire has a length of L = 2.7 m and a circular cross-sectional area of radius r = 1.69 mm. X J= EL/Rar² x J= E/p Question 2 Correct Answer E-Pat sin()) cotan() atan() cosh() E-4.752x10 ✓ Correct! B 8 L P Student Final Submission E-Pat Part (b) How much energy has been used in joules? Y d h m 7 Part (d) Calculate the current in the wire, in milliamperes, if the field strength is 5.28 V/m. r cos() asin() acotan() sinh() tanh() cotanh() Degrees O Radians You leave a 110 W light bulb on for…
An aluminum wire has a resistance of 3.00 N at 31.0°C. Determine its resistance (in N) at 431°C. The temperature coefficient of resistivity for aluminum wire is 3.90 x 10-3 (°C)-1. (Assume that the temperature coefficient of resistivity was measured using the reference temperature 20°C.)
A potential difference of 16.0 V causes a current of 1.03 A in a 9.5-m long metallic wire with uniform radius of 4.5 mm. What is the resistivity of the wire? [Units: milliOhm-metres]
In the figure resistor 1 = 92 2, resistor 2 = 51 2, and the ideal batteries have emfs £₁ = 28 volts, 2 = 5 volts, and 3 = 7 volts. Find the current through resistor 2. Round off answer up to 3 decimal places. Consider absolute value. Include the unit (A for ampere, V for volt and ohm for ohm). KLS Ez R₁ ww E₁ яз Z R₂
A capacitor of capacitance C=40 pF capacitor is used in conjunction with a motor. How much energy (Joules) is stored in it when a voltage V=113 V is applied? A. None B. 0.5054 C. 0.5108 D. 0.2554 Е.0.1277 Next page Eo search
A battery is supplying electrical power to a single resistor 75 ohms. If the battery has a terminal voltage of 8 V and its internal resistance is 1 ohm, determine the EMF. Express your answers accurate to four decimal places. O 7.8947 V; 8.1069 V; The answer cannot be found on the other choices. O 8V