9. An electric power station that operates at 35 kV and uses a 10:1 step-up ideal transformer is producing 34 MW (Mega- Watt) of power that is to be sent to a big city which is located 300 km away with only 2.5% loss. Each of the two wires are made of copper (resistivity = 1.72 x 10-8 22.m). What is the diameter of the wires? x 0.854 cm Show my other submissions

9. An electric power station that operates at 35 kV and uses a 10:1 step-up ideal transformer is producing 34 MW (Mega- Watt) of power that is to be sent to a big city which is located 300 km away with only 2.5% loss. Each of the two wires are made of copper (resistivity = 1.72 x 10-8 22.m). What is the diameter of the wires? x 0.854 cm Show my other submissions

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

Related questions

Q: In a particular town, electrical energy costs $0.11 per kilowatt-hour. (Round your answers, in…

A: Given, cost of electrical energy is X = $0.11 kwh a) power is P = 75.0 w time t = 24 hours energy E…

Q: The electricity supplied through a city power line is transmitted at 14,300 V. On each city block…

A: Given Primary voltage, V1 = 14300 V Secondary voltage, V2= 120 V No of turns in primary coil, N1…

Q: 1.You built this circuit in the lab. What will the potential difference across the five ohm resistor…

A: Here given the circuit .Here the source is 12 volt. We have to calculate the potential difference…

Q: CH1 (Yellow) Settings Volts/Div: 50V Time/Div: 5ms Probe Setting: X1 Determine: a. CH1 Peak Voltage…

A: Disclaimer: “Since you have asked posted a question with multiple sub-parts, we will solve the first…

Q: What current I is needed to transmit 125 MW of power over a transmission line held at a voltage of…

A: Given(s): Power, P=125 MW=125 x 106 W. Voltage, V=25.0 kV=25.0 x 103 V. Require: Current, I=?

Q: DATA SHEET #2 Trial 1 2 3 Radius (m) 0.166 0.184 m 0.207m Circumference 13 d Time (sec) for 20 rev.…

A: Given data- There is given some data in table. Which are radius and circumference.

Q: As shown below, a wire loop is immersed in a 0.8 T B-field (the direction of the field is shown in…

Q: 1. Set up a slide-wire Wheatstone bridge circuit as in Fig. 1 a, using the previous small known…

A: Let's draw a Wheatstone bridge circuit in this regard to understand easily. In the balanced…

Q: 8. An electric power station is producing 250 kW of power that is to be sent to a small town located…

A: Power loss due to heat is P = i2r

Q: If a generator transmits electricity at a rate of 10 kA through a transmission line with a…

A: Given data: Current (I) = 10 kA Resistance (R) = 0.3 Ω Required: Power (P)

Q: When EMT is installed in wet locations, all supports, bolts, straps, and screws shall be _____. a.…

A: "Since you have asked multiple questions, as per Bartleby's guideline we will answer only the first…

Q: 1.a. Which article of the National Electrical Code covers radio and television equipment? A. 770 B.…

A: 1.a) Article 810 cover radio and television equipment . It provides information regarding installing…

Q: Question: Choose the correct answer consi der(V=20v,R1-300O,R2-4000,R3-5000)for the electric circuit…

A: SOlution: Given that V = 20 V R1 = 300 Ohm R2 = 400 Ohm R3 = 500 Ohm

Q: A moving coil ammeter gives a full scale deflection for a current i = 60 mA and its coil has a…

A: Current for full scale deflection of a moving coil ammeter (i) = 60mA Resistance of coil (Rc) = 0.5…

Q: A high intensity desk lamp is rated 28 W but requires on 11 V. It has a transformer which converts…

Q: What is the voltage output (in V) of a transformer used for rechargeable flashlight batteries, if…

A: (a)Write the relation between turns of winding and voltage between primary and secondary winding.

Q: phy.

A: Step 1:When the switch is closed and after very long time, the wire in which the capacitance is…

Q: 4 11 I.5 .1. more to use. 20. Answer the following based on the VIR properties of a series circuit.…

A: As per guidelines ,We are supposed to solve only one question. 20.In Series circuit, there is only…

Q: 3. A circuit consists of a resistor, capacitor (initially uncharged), and battery. At t=0 the switch…

A: Here given a circuit diagram with a switch, capacitor . The value of the capacitor is 6μF and the…

Q: A soldering gun contains a transformer that lowers the 120 V from an outlet to a few volts. It’s…

A: A soldering gun contains a transformer that lowers the 120 V from an outlet to a few volts and It’s…

Q: Q4. For the circuit below, determine the following: a. The time constant of the circuit when the…

A: More than three subparts were required to be answered, so the 1st three has been answered. From the…

Q: 2. Refer to figure 1.B . The capacitor is initially uncharged. The switch S is closed at t = 0.…

A: Answer: a) As per the given Data, The Effective resistance is calculated when the switch is…

Question

@
3
9. An electric power station that operates at 35 kV and uses a 10:1 step-up ideal transformer is producing 34 MW (Mega-
Watt) of power that is to be sent to a big city which is located 300 km away with only 2.5% loss. Each of the two wires
are made of copper (resistivity = 1.72 x 10-8 22.m). What is the diameter of the wires?
x 0.854 cm
E
D
80
F3
$
4
ortor non coil that has 100 turns and 150 T maanatic field.
ост
11
80
R
F
5
Q
F5
G
C
0
H
tv
MacBook Air
&
c
F7
8
◄
PIL
F8
K
The fronunnay of thin
DII
9
DD
F9
Show my other submissions
O
A O
A
F10
F10
(1
F11
F12

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1: Transformer Formula

VIEW

Step 2: The losses through the wire

VIEW

Step 3: Now the diameter of the wires can be calculated as

VIEW

Solution

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 4 steps with 10 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.

Similar questions

2. Find the current when 1.90 nC jumps between your comb and hair over a 0.800–μs time interval. This is not and will not be graded
1. Initially, for the circuit shown above, the switch S is open and the capacitor charge is 80 µC. The switch S is closed at time t = 0. The capacitor charge when the time t is equal to 50.0 s is closest to: Group of answer choices a. 64 µC b. 72 µC c. 48 µC d. 80 µC e. 56 µC 2. What is the value of the time constant of the RC circuit shown in question 11? a. 50.0 s b. 97.6 s c. 2.62 s d.0.381 s e.0.0102 s
av 322 3352 1. What is the total Current? 2. What is the VOltage across the 2 onm resistor? 3. What is the curent through the 3n resistor? 4. What is the power suppued by the batiery
7. An electric power station that operates at 25 kV and uses a 10:1 step-up ideal transformer is producing 36 MW (Mega- Watt) of power that is to be sent to a big city which is located 270 km away with only 1.5% loss. Each of the two wires are made of copper (resistivity = 1.72 × 10−8 №.m). What is the diameter of the wires? cm
A specially constructed kiln in a pottery workshop has Y‐connected heating elements. At one point, the voltage is measured across a heating coil, i.e. between a mains conductor and the zero point. The voltage is 98.15 V. a) What is the main voltage of the network b) How big is the grid's phase voltage Another, also specially designed oven, which is connected to the same network as the example above, is D‐connected. The current is measured in one of the additional conductors. It is 77.25 A. c) What is the current in each of the branches d) What is the voltage across them
1. Apply the junction rule to Junction C. 2. Apply the loop rule to Loop ABCFGA. 3. Apply the loop rule to Loop CDEFC. 4. Solve the three equations to find the currents 1₁, 12, and 13 as indicated in the circuit. R₁=50V/₁=84 V F G Ww=-=|1| + A R₂=602 B R3=402 12₂ +||++ RA V₂=100 VR5=20 m E D 13 C 8 Ω I₁
A transformer consists of 275 primary windings and 834 secondary windings. If the potential difference across the primary coil is 25.0 V. what is the voltage across the secondary coil? Is this a step up or step down transformer? Explain. What is the effective load resistance of the secondary coil if it is connected across a 125 Ω resistor ?
3. A central air conditioner in a typical American home operates on a 220V circuit (higher voltage than the standard 120V wired throughout the house) and uses 20A of current. a. How much power is used when it is running? b. Why is it wired to run off 220 V instead of 120 V? c. PEPCO (the electrical utility in Md) charges 15 cents/ kWh for electricity. If the AC is running for 6 hours per day, how much will I spend on electricity per summer month?
Integrated Concepts Hydroelectric generators (see Figure) at Hoover Dam produce a maximum current of 8.00×103A at 250 kV. (a) What is the power output? (b) The water that powers the generators enters and leaves the system at low speed (thus its kinetic energy does not change) but loses 160 m in altitude. How many cubic meters per second are needed, assuming 85.0% efficiency?
+ 10 Page view A Read aloud V Draw Highlig! Question 1 (a).i. An electric heating element to dissipate 580W on 240V is to be made from nichrome ribbon 1mm wide and thickness of 0.005mm. Calculate the length of the ribbon required if the resistivity of nichrome is 1. 1x 100m. (6marks) 1. The resistance of a coil aluminum wire at 21°C is 2100. The temperature of the wire is increased and the resistance rises to 2400. If the coefficient of resistance of aluminum is 0.0039/c at 21°C, determine the temperature to which the coil has risen. (7marks) b) A capacitor is constructed with parallel plates and has a value of 50pF. What would be the capacitance of the capacitor if the plate area is doubled and the plate spacing is halved? (7marks) c) Calculate the current / that will flow through the circuit shown below: 16Ω 1.50 20 24 V 60 502 30 (5marks
Q7
A 95-W light bulb operates on an effective ac voltage of 110 V. a) What is the effective current through the light bulb? b) From Ohm's law, what is the resitance of the light bulb?