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what is it

Explanation:

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:

working in public administration clerical support,what might one of your jobs be?

clerical work generally involves day-to-day office tasks, such as answering phones and entering data into spreadsheets. these tasks may be performed by secretaries, office clerks and administrative assistants. other duties traditionally associated with clerical work include: word processing and typing.

answer is a.returning items from customers that they did not find worth their money or b.collecting money from people with speeding tickets and filing the information

explanation:

b. collecting money from people with speeding tickets and filing the information is the correct answer choice