A cube of a material of side 1 cm has aresistance of 0.001 Q between itsopposite faces. If the same volume ofthe material has a length of 8 cm anda uniform cross-sectional area, whatwill be the resistance of this length?Use three decimal places. *Your answerCalculate the resistance of 100-mwire having a cross-sectional area of0.1mm^2 and made of manganin whichhas a resistivity of 50x10°-8 Q.m.Answer in whole number form.Your answerA single-core underground cable has acopperconductor of diameter 1.2cmand resistivity of 5.8×10^12 Q.m. Ifthe thickness of the insulatingmaterial is 1.2 cm, calculate theinsulation resistance of a 5-kmlength of this cable in Megaohms. It is found that the resistance of acoil of wire increases from 40 ohms at15 degrees Celsius to 50 ohms at 60degrees Celsius. Calculate theresistance temperature coefficient atO degree Celsius of the conductingmaterial. Use 8 decimal places andunit of "per degree Celsius". *Your answerAn armature has a resistance of 0.2ohm at 15 degrees Celsius and thearmature copper loss is to be limitedto 600 watts with a temperature riseto 55 degrees Celsius. If RTC at 0degree Celsius is 0.0043/°C, what isthe maximum current that can passthrough the armature? Formula: P%3D1^2*R. *Your answer

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A cube of a material of side 1 cm has a resistance of 0.001 Q between its opposite faces. If the same volume of the material has a length of 8 cm and a uniform cross-sectional area, what will be the resistance of this length? Use three decimal places.

A cube of a material of side 1 cm has a resistance of 0.001 Q between its opposite faces. If the same volume of the material has a length of 8 cm and a uniform cross-sectional area, what will be the resistance of this length? Use three decimal places.

Introductory Circuit Analysis (13th Edition)

13th Edition

ISBN:9780133923605

Author:Robert L. Boylestad

Publisher:Robert L. Boylestad

Chapter1: Introduction

Section: Chapter Questions

Problem 1P: Visit your local library (at school or home) and describe the extent to which it provides literature...

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Required information Three point charges are fixed in place in a right triangle, as shown in the figure. +0.800 μC L. -0.600μ C +1.00μC where y = 8.20 cm and z= 9.20 cm. What is the magnitude of the electric force on the +1.00-μC charge due to the other two charges? N
A cube of a material of side 5 cm has a resistance of 0.015 ohm between its opposite faces. If the same volume of the same material of uniform cross-sectional area has a length of 10 cm, its resistance would be _______ohm. a. 0.275b. 0.3c. 0.36d. 0.375e. 0.4
5. The rod given in the figure is made up of two different materials. - 25 cm * 70 cm Both have square cross sections of 3 mm side. The resistivity of the first material is 4 x 10-3 2.m and it is 25 cm long while second material has resistivity of 5 x 10-³ Q.m and is of 70 cm long. What is the resistivity of rod between its ends?
Should say three resistors
Solve the following problem and show compete solution.
A certain wire is having length of 68 m on a winter day when the temperature is -29 °C. How much longer (in mm) is the wire on a summer day when the temperature is 27 °C? (Consider a 14 x 10-5 (°C) 1, for the material of the wire)
Q, and Qg are two charges creating an electric field. Based on the electric field lines in the figure, we can conclude that: Select one: Qa is negative and Qg is positive Q and Qg are both positive Qu Q is positive and Qg is negative Q, and Qs are both negative
2. What is the strength of the electric field 2mm away from a 40uC charge? If a 3uC charge is placed in this field at this distance, what will be the force on it?
Please consider the choices.