3. Fast help needed to answer this Engineeing question. Check image. Postive feedback for right answer :) In household wiring, usually 12-gauge copper wire (diameter 12mm) is used. A light bulb is connected to power supply through such a wire.A 5-Ampere current runs through the wire and the light bulb.a. What is the resistance of 50-meter length of the wire?b. How many electrons pass through the light bulb each second?c. What is the current density in the wire?Room Temp valuesSubstanceSabstanceP(0-m)ConductorsMetalsSemiconductorsPare artn graphisePure gemanPure sicSilverCopperAluanumlnsalatersNaherSteelLeatMenuManganin (Cu XA Ma 14 N45(stantan (GM N YiCAleysQuatzfesssaiterTABLE 31-2. Values of the Resistivity and the Temperature Coefficientfor Various SubstancesSUBSTANCEe (2- m)(deg )Conductors:P (at 0 C)a (0 C-100- C)AgCu1.47 x 101.56 x 10 4263 x 106.38 x 108.85 x 109.83 x 10 .4.8 x 1049x 10 "1.1 x 10 *41 x 10-4.3 x 10-44 x 10-6.6 x 106.5 x 103.9 x 10-2x 101 x 104 x 10AlmetalsNiFePtManganinalloysConstantanNichromeSemiconductors:p (at 20 C)a (at 20 C)C3.5 x 100.45-5 x 10-48 x 10-7.5 x 10pureGeSi640Insulators:e (at 20 C)AmberGlassLuciteQuartzSulfur5 x 1010 -10141037.5 x 101010-10Woodacer

Since you have posted a question with multiple sub-parts, we will solve the first three sub-parts…

In household wiring, usually 12-gauge copper wire (diameter 12 mm) is used. A light bulb is connected to power supply through such a wire. A 5 -Ampere current runs through the wire and the light bulb. a. What is the resistance of 50-meter length of the wire? b. How many electrons pass through the light bulb each second? c. What is the current density in the wire?

In household wiring, usually 12-gauge copper wire (diameter 12 mm) is used. A light bulb is connected to power supply through such a wire. A 5 -Ampere current runs through the wire and the light bulb. a. What is the resistance of 50-meter length of the wire? b. How many electrons pass through the light bulb each second? c. What is the current density in the wire?

Electricity for Refrigeration, Heating, and Air Conditioning (MindTap Course List)

10th Edition

ISBN:9781337399128

Author:Russell E. Smith

Publisher:Russell E. Smith

Chapter12: Electronic Control Devices

Section: Chapter Questions

Problem 14RQ

See similar textbooks

Similar questions

The resistance of wire increases from 40 – ohm at 20 0C to 50 – ohm at 70 0C. Find the temperature coefficient of resistance at 0 0C.
Steady current circulation is desired for a lamp connected in a circuit to light. For this, explain how a stable current will occur from any part of the circuit with the conservation law of the charge. Give me detail pls.
The resistance of a resistor at 7 degrees Celsius is given as 42 ohms. Determine the resistance, in ohms, of the said resistor at 25 degrees Celsius. The temperature coefficient at 0 degrees Celsius is 0.0086 per Celsius degree.
Nichrome ribbon resistor elements each has a resistance of 1 ohm. The element is made from sheet of nichrome alloy, 0.025 cm think. If the width of the ribbon is 0.3cm, what length is required per element in cm? Assume specific resistance of nichrome alloy to be 109microOhm-cm.
8. The resistance of a copper at 30°C is 50 ohms. If the temperature coefficient of copper at 0°C is 0.00427. What is the resistance at 100°C? 9. A wire has a resistance R are cut into 2 pieces and the small pieces are connect in parallel resulting to a total resistance of 2 ohms. What is the value of R?
Some copper wire has a resistance of 200 at 20 ° C . A current is passed through the wire and the temperature rises to 90 ° C . Determine the resistance of the wire at 90 ° C , correct to the nearest ohm , assuming that the temperature coefficient of resistance is 0.004 / C at 0 ° C
Nichrome ribbon resistor elements each has a resistance of 1 ohm. The element is made from sheet of nichrome alloy, 0.025cm thick. If the width of the ribbon is 0.3cm, what length is required per element? Assume specific resistance of nichrome allow to be 109micro ohm-cm.
Notes on the verification of ohm's law by voltage method?
The resistance of the copper field winding of a DC machine at 40 deg. C is 0.40 ohms. After operating for some time, the resistance is found to be 0.50 ohms. Find the operating temperature temperature.
A copper wire has a resistance of 0.85 ohm at 200C. What will be its resistance at 400C ? Temperature coefficient of resistance of copper at 00C is 0.004/0C.
The resistance of a copper wire is 125 ohms at 100°C. Determine the resistance at 70°C
a) Find and explain the Ohm conservation expression.b) Stable current circulation is desired for the lamp connected in a circuit to light. Accordingly, discuss with the conservation law of the charge how a stable current circulation can occur from any part of the circuit.I need to explain the answers to these questions, please can you explain in detail. Thanks in advance.