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Physics hw help....A 59.0 m length of insulated copper wire is wound to form a solenoid of radius 2.1 cm.?
A 59.0 m length of insulated copper wire is wound to form a solenoid of radius 2.1 cm. The copper wire has a radius of 0.49 mm.
a) What is the resistance of the wire?
Ω
(b) Treating each turn of the solenoid as a circle, how many turns can be made with the wire?
turns
(c) How long is the resulting solenoid?
m
(d) What is the self-inductance of the solenoid?
mH
(e) If the solenoid is attached to a battery with an emf of 6.0 V and internal resistance of 350 mΩ, compute the time constant of the circuit.
ms
(f) What is the maximum current attained?
A
(g) How long would it take to reach 99.9% of its maximum current?
ms
(h) What maximum energy is stored in the inductor?
mJ
electricity and magnetism
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