A solenoid that has length 30 cm, radius 1.2 cm, and 290 turns carries a current...

Question

Question

A solenoid that has length 30 cm, radius 1.2 cm, and 290 turns carries a current of 2.5 A. Find the magnitude of the magnetic

Answer 1

Answer #1

a)

B = uo N i /L = 4* 3.14* 10^-7* 290* 2.5 / 0.3 = 0.003 T

B = 3 mT

b)

B' = B/2 = 1.5 mT

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Answer 2

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