Q1)1-What is the voltage between two points if 100 mJ of energy are required to mave 50 x 10"electrons between the two points? (IC-6.242 x 10 electrons)2- What is the resistance of a copper wire 120 ft long and 0.01 in. in diameter3-Find the color code for the 7.5kN 10% resistor.4- A resistor of 10 2 has charge flowing through it at the rate of 300 coulombs per minute(C/min). How much power is dissipated?5-An electric motor used in an elevator system has an efficiency of 85%, If the input voltage220 V, what is the input current when the motor is delivering 10 hp?Q2) Find the unknown quantities in the circuit of Fig I and Fig. 2.P -64WRR28W10v5020Ry 50nV25 VFig I.Fig.2.Good luckDr. Ibrahim Aljubowri

Answered: Image /qna-images/answer/123efe52-7c48-494d-8176-ee23ebc64220.jpg

)I-What is the voltage between two points if 100 mJ of energy are required to move 50 x 10 electrons between the two points? (1C=6.242 x 10 electrons) 2- What is the resistance of a copper wire 120 ft long and 0.01 in. in diameter 3-Find the color code for the 7.5kN + 10% resistor.

)I-What is the voltage between two points if 100 mJ of energy are required to move 50 x 10 electrons between the two points? (1C=6.242 x 10 electrons) 2- What is the resistance of a copper wire 120 ft long and 0.01 in. in diameter 3-Find the color code for the 7.5kN + 10% resistor.

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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Photoelectric

The photoelectric effect occurs when light (or similar incident radiation, including X-rays) falls on material together with a metal plate and causes it to emit electrons. The discovery of the photoelectric effect led to important new theories (and to a Nobel Prize for Albert Einstein). Photoelectric cells, or photocells, are utilized in burglar-alarm light detectors and garage-door openers (each employs a through-beam of light this is broken when something movements throughout it), and also to play soundtracks on film movies (in which a light beam shines through the soundtrack encoded at the film and is "read" with the aid of the photocells).

Question

Q1)1-What is the voltage between two points if 100 mJ of energy are required to mave 50 x 10"
electrons between the two points? (IC-6.242 x 10 electrons)
2- What is the resistance of a copper wire 120 ft long and 0.01 in. in diameter
3-Find the color code for the 7.5kN 10% resistor.
4- A resistor of 10 2 has charge flowing through it at the rate of 300 coulombs per minute
(C/min). How much power is dissipated?
5-An electric motor used in an elevator system has an efficiency of 85%, If the input voltage
220 V, what is the input current when the motor is delivering 10 hp?
Q2) Find the unknown quantities in the circuit of Fig I and Fig. 2.
P -64W
R
R2
8W
10v
50
20
Ry 50n
V
25 V
Fig I.
Fig.2.
Good luck
Dr. Ibrahim Aljubowri

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