The electromagnet has 50 turns and a current of 1 a flows through the coil. If the length of the magnet circuit is 200 mm, what is the magnetic field strength?
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the strength of magnetic field is 1000 A/m
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Answer:
250 A/m
Explanation:
N = 50
I = 1 A
L = 200 mm = 0.2 m
H = ?
H = NI / L
H = 50×1 / 0.2
H = 250 A/m
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