QUES.1 Two air-cored coils are disposed relatively to each other so that 75% of the flux in one coil links all the turns of the other coil. Each coil has a cross-sectional mean diameter of 2cm and a length of 50 cm. If there are 2000 turns of wire on one coil, calculate the number of turns required on the other coil to give a mutual inductance of 20 mH.
QUES.1 Two air-cored coils are disposed relatively to each other so that 75% of the flux in one coil links all the turns of the other coil. Each coil has a cross-sectional mean diameter of 2cm and a length of 50 cm. If there are 2000 turns of wire on one coil, calculate the number of turns required on the other coil to give a mutual inductance of 20 mH.
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
Chapter7: Symmetrical Faults
Section: Chapter Questions
Problem 7.21MCQ
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QUES.1 Two air-cored coils are disposed relatively to each other so
that 75% of the flux in one coil links all the turns of the other coil. Each
coil has a cross-sectional mean diameter of 2cm and a length of 50 cm.
If there are 2000 turns of wire on one coil, calculate the number of turns
required on the other coil to give a mutual inductance of 20 mH.
QUES. 2 Two identical 900 turn coils A and B lie in parallel plane. A
current changing at the rate of 2500 A/s in A induces an emf of 20 V in
В.
(a)Calculate the mutual inductance of the arrangement
If the inductance of each coil is 25mH, calculate the flux
produced in coil A per ampere and, the percentage of this flux
which links the turns of B
(c) Percentage of this flux which links the turns of B
QUES. 3 A flux of 0.5 milli-Weber (mWb) is produced by a coil of
900 turns on a ring with a current of 3 A in it. Calculate:
The inductance of the coil
(b) e.m.f. induced in the coil when a current of 5 A is switched off,
assuming the current to fall to zero in 1 millisecond
4:46 PM
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11/25/2021](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7d73fc09-504e-4f5f-a05c-a4e8f69bf5f9%2Fe29979e3-d372-41d0-bf83-b76a59c98731%2Fdg2c87h_processed.png&w=3840&q=75)
Transcribed Image Text:LAB 2.pdf
Assignment1.pdf
EEB434 Tutorial.pdf
E *Assignment 2 (2021).pdf
advanced-mathematical-tech
O File
C:/Users/Kelekwe/Downloads/Assignment%202%20(2021).pdf
...
CD Page view A Read aloud
O Add text
V Draw
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O Erase
2
of 2
QUES.1 Two air-cored coils are disposed relatively to each other so
that 75% of the flux in one coil links all the turns of the other coil. Each
coil has a cross-sectional mean diameter of 2cm and a length of 50 cm.
If there are 2000 turns of wire on one coil, calculate the number of turns
required on the other coil to give a mutual inductance of 20 mH.
QUES. 2 Two identical 900 turn coils A and B lie in parallel plane. A
current changing at the rate of 2500 A/s in A induces an emf of 20 V in
В.
(a)Calculate the mutual inductance of the arrangement
If the inductance of each coil is 25mH, calculate the flux
produced in coil A per ampere and, the percentage of this flux
which links the turns of B
(c) Percentage of this flux which links the turns of B
QUES. 3 A flux of 0.5 milli-Weber (mWb) is produced by a coil of
900 turns on a ring with a current of 3 A in it. Calculate:
The inductance of the coil
(b) e.m.f. induced in the coil when a current of 5 A is switched off,
assuming the current to fall to zero in 1 millisecond
4:46 PM
O Type here to search
27°C Light rain
11/25/2021
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