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what is a interrogative?​

a solenoid is created by wrapping a l = 90 m long wire around a hollow tube of diameter d = 4.5 cm.   the wire diameter is d = 0.9 mm.   the solenoid wire is then connected to a power supply so that a current of i = 9 a flows through the wire.

randomized variablesl = 90 m

d = 4.5 cm

d = 0.9 mm

i = 9 a                                          

write an expression for the number of turns, n, in the solenoid. you do not need to take into account the diameter of the wire in this calculation.

calculate the number of turns, n, in the solenoid.

write an expression for the length of the solenoid (l2) in terms of the diameter of the hollow tube d.

calculate the length of the solenoid (l2)   in meters.

calculate the magnitude of the magnetic field at the center of the solenoid in teslas.

explanation:

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margaret paston and william paston got married in 1441. as william had to attend business, margaret was in charge of administrating her husband's properties and they communicated each other by letters. they had 7 children.   margery paston, one of those children, had a secret romance with richard calle, the family's bookkeeper and the pastons rejected them, as they tend to get marriage arranged for their children. margery and richard ended up getting married for love, but in secret by the church bishop.