esc tab s lock Ft 7 F1 A B 2 F2 Question 1. An iron ring with a 50-cm mean diameter has a square cross-section of 4 cm². It is wound with two coils having 1000 and 400 turns. Assume μr = 500. Calculate (a) the self inductance of each coil, and (b) the mutual inductance between them, with a coefficient of coupling of k=0.6 A 17 N₁ N, 88 1 end Question 2. A 200-turn coil is rotating at a speed of 3600 rpm in a 4pole generator. The maximum flux per pole is 2 mWb. Determine (a) the frequency of the induced emf, (b) the maximum value of the induced emf. 5 9 2- 0 V 601 3 pgdn
esc tab s lock Ft 7 F1 A B 2 F2 Question 1. An iron ring with a 50-cm mean diameter has a square cross-section of 4 cm². It is wound with two coils having 1000 and 400 turns. Assume μr = 500. Calculate (a) the self inductance of each coil, and (b) the mutual inductance between them, with a coefficient of coupling of k=0.6 A 17 N₁ N, 88 1 end Question 2. A 200-turn coil is rotating at a speed of 3600 rpm in a 4pole generator. The maximum flux per pole is 2 mWb. Determine (a) the frequency of the induced emf, (b) the maximum value of the induced emf. 5 9 2- 0 V 601 3 pgdn
Chapter3: Magnetic Starters
Section: Chapter Questions
Problem 30SQ
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Question
Need help with question 1
![esc
tab
s lock
Ft
7
F1
A
B
2
F2
Question 1. An iron ring with a 50-cm mean diameter has a square cross-section of 4 cm². It is wound with
two coils having 1000 and 400 turns. Assume μr = 500. Calculate (a) the self inductance of each coil, and
(b) the mutual inductance between them, with a coefficient of coupling of k=0.6
A
17
N₁
N,
88
1
end
Question 2. A 200-turn coil is rotating at a speed of 3600 rpm in a 4pole generator. The maximum flux per
pole is 2 mWb. Determine (a) the frequency of the induced emf, (b) the maximum value of the induced
emf.
5
9
2-
0
V
601
3
pgdn](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fdaad9e7e-1f14-44d5-98ac-51623b651f9b%2F01e82e63-a708-4336-87a6-2afad81f8332%2F1b8a2cq_processed.jpeg&w=3840&q=75)
Transcribed Image Text:esc
tab
s lock
Ft
7
F1
A
B
2
F2
Question 1. An iron ring with a 50-cm mean diameter has a square cross-section of 4 cm². It is wound with
two coils having 1000 and 400 turns. Assume μr = 500. Calculate (a) the self inductance of each coil, and
(b) the mutual inductance between them, with a coefficient of coupling of k=0.6
A
17
N₁
N,
88
1
end
Question 2. A 200-turn coil is rotating at a speed of 3600 rpm in a 4pole generator. The maximum flux per
pole is 2 mWb. Determine (a) the frequency of the induced emf, (b) the maximum value of the induced
emf.
5
9
2-
0
V
601
3
pgdn
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