The electromagnet has 50 turns and a current of 1A flows through the c – McqOptions

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1.	The electromagnet has 50 turns and a current of 1A flows through the coil. If the lengthof the magnet circuit is 200 mm, what is the magnetic field strength ?
A.	2500 at/m
B.	250 at/m
C.	25 at/m
D.	2.5 at/m
Answer» C. 25 at/m

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