1) A charge Of (60C) flow in a conductors in (4s) ,then the current produced is :а. 150Ab. 15Ac. 15mAd. 1.5A2) The symbol and unit for electrical current is:a. L,Ab. I,Ac. I,sd. Non of the above3) The (2350000V) can be written as:a. 23.5 KVb. 2.35MVc. 23.5mVd.Non of them4) One complete set of positive and negative values of alternating quantity iknown as:a. Amplitudeb. Frequencyс. Сусled. Timpe period5) The value of the alternating voltage generated by rotating a coil in amagnetfield depends upon:a. The speed at which the coil or magnetic field rotatec. The number of turns in the coilb. Strength of tfieldd. All the above

as per our guidelines we can solve only 3 but i am answering 5 questions . current i is the rate of…

1) A charge Of (60C) flow in a conductors in (4s) ,then the current produced is : а. 150A b. 15A c. 15mA d. 1.5A 2) The symbol and unit for electrical current is: a. L,A b. I,A c. I,s d. Non of the above 3) The (2350000V) can be written as: a. 23.5 KV b. 2.35MV c. 23.5mV d.Non of them 4) One complete set of positive and negative values of alternating quantity known as: a. Amplitude b. Frequency с. Суcle d. Timpe period E) The value of the alternating voltage generated by rotating a coil in amagne field depends upon: a. The speed at which the coil or magnetic field rotate c. The number of turns in the coil b. Strength of field d. All the above

1) A charge Of (60C) flow in a conductors in (4s) ,then the current produced is : а. 150A b. 15A c. 15mA d. 1.5A 2) The symbol and unit for electrical current is: a. L,A b. I,A c. I,s d. Non of the above 3) The (2350000V) can be written as: a. 23.5 KV b. 2.35MV c. 23.5mV d.Non of them 4) One complete set of positive and negative values of alternating quantity known as: a. Amplitude b. Frequency с. Суcle d. Timpe period E) The value of the alternating voltage generated by rotating a coil in amagne field depends upon: a. The speed at which the coil or magnetic field rotate c. The number of turns in the coil b. Strength of field d. All the above

Power System Analysis and Design (MindTap Course List)

6th Edition

ISBN:9781305632134

Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma

Chapter2: Fundamentals

Section: Chapter Questions

Problem 2.31P: Consider two interconnected voltage sources connected by a line of impedance Z=jX, as shown in...

See similar textbooks

Similar questions

4. An aluminum conductor having a cross-sectional area of 1843 MCM is used to transmit power from a high-voltage dc (HVDC) generating station to a large urban center. If the city is 900 km from the generating station, determine the resistance of the conductor at a temperature of 20oC. (Use 1 ft = 0.3048 m.) *Round off to 4 decimal digits.
Q1. Transmission and distribution lines are important components of any power system study. (A) In relation to high voltage overhead ac transmission lines, Discuss the choice of materials for the conductors in terms of their electrical/mechanical properties and the costs involved. Discuss the factors that determine the distance (D) between phase conductors and explain the impact of the distance D on the inductance and capacitance values of the line at different voltage levels. Support your arguments with relevant equations where appropriate. Discuss the impact of the radius of the conductors on phase capacitance and inductance values and why bundles are used at very high voltages.
A high-voltage power line is made of aluminum conductor steel reinforced (ASCR) material. Suppose a power line has a radius of 2.00 mm and assuming the resistivity of the ACSR is 23.50 x 10^-9 resistor x m, how long is this powerline if it dissipates (on average) 350 MW with a maximum voltage across the powerline of 345,000 Volts (DC)?
4. Give the reasons: (a) The AC resistance of a conductor is more than the DC resistance. (b) The resistance of a standard conductor is higher than the resistance of the solid conductor (c) The transposition of the overhead transmission line. (d) A charging current is existing in a line even when line is open circuited at the load end.
(b) A 3-phase, 50 Hz, 132 kV overhead line of length 150 km has conductors placed in ahorizontal plane. The diameter of the conductors is 20 mm and assume completetransposition arrangement is applied. (i) Analyse the charging current per phase when the conductors spacing are set at 4 m (ii) Investigate the range of conductor spacing that should be chosen in order to reducethe magnitude of the charging current per phase in Q2 (b)(i) by 5% or more.
Each line of a 3-phase system given in figure is suspended by a string of 5 identical disks and the ratio of C1/C=0.1 (Shunt capacitance per self-capacitance) is given. If the string is connected to line of voltage 33kV. a) What is the voltage distribution over the unit of string and what is the string efficiency? b) When the string is supplied by a Guard Ring and this lead to add a two air capacitance of value 0.2C, 0.1C respectively to the nearest to the conductor. Find the new voltage distribution and the new efficiency.
A copper wire at 20 degrees C, and 164 cmil, has a K value of 10.4 ohms per mi-foot. If the distance to the load is 600 feet (183 m) calculate the resistance of the loop.
A load that draws 12A is located 275 feet from its 240VDC source. It is supplied by aluminum conductors with a diameter of .092 inches operating at 75°C. What is the resistance of one conductor?
What is the maximum length in km for a 3 phase T.L having copper conductor of 0.775 cm2 crass section over which 200 KW at unity power factor and at 3300 V are to be delivered, the efficiency if T.L is 90%, take specific resistance as 1.725 μΩ cm
A solid cylindrical aluminum conductor 25 km long has an area of 336,400 circular mils. Obtain the conductor resistance at 20C and 50C. Find the AC resistance per Km of the cable at 50C. Assume a skin-effect correction factor of 1.02 at 50 Hz. The resistivity of aluminum at 20C is 2.8x10-8 Ωm
Describe the concept of FACTS (Flexible AC Transmission Systems) devices and their applications in enhancing power system performance.
In your own words, define a. an ideal conductor; b. an ideal voltage source; c. an ideal current source.