Electrical Engineering - Magnetism and Electromagnetism - Discussion

Discussion Forum : Magnetism and Electromagnetism - General Questions (Q.No. 15)
15.
What is the magnetomotive force in a 75-turn coil of wire when there are 4 A of current through it?
18.75 At
30 At
300 At
187 At
Answer: Option
Explanation:
No answer description is available. Let's discuss.
Discussion:
3 comments Page 1 of 1.

Priyabrata pattanayak said:   3 years ago
MMF = T *A. T=75.
A=4.
So, MMF = 75 * 4 = 300AT.

SUNITHA said:   9 years ago
mmf = number of turns in a coil (T) * current flowing through the coil(A).
mmf = NI = 75 * 4 = 300 AT.
(1)

ROHIT CENA said:   1 decade ago
MMF=A*T=75*4=300AT
(1)

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