Click Reset and then click on the toaster. Using the Gizmo, create four energy paths to explain how the toaster could get its energy. I have given
you one step in each path to help you figure them out! (One path will only
have three objects.)
A
[ Select
-> Air -> [Select)
[ Select)
<
B.
[Select]
-> Water -> [Select]
->
[Select)
<
C.
[Select)
<
-> Solar Cell -> [Select]
D.
[Select)
-> Corn ->
[Select]
[Select)
<

a) are muscles that have bands.

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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: