A 60.5 m length of insulated copper wire is wound to form a solenoid of radius 2.2 cm. The copper wire has (a) What is the resistance of the wire? ΙΩ (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 radius of 0.51 mm. (Assume the resistivity of copper is p = 1.7 x 10-8 - m.)
Ohm's law
Ohm’s law is a prominent concept in physics and electronics. It gives the relation between the current and the voltage. It is used to analyze and construct electrical circuits. Ohm's law states that the voltage across a conductor is directly proportional to the current flowing through it.
Path of Least Resistance
In a series of alternate pathways, the direction of least resistance is the actual or metaphorical route that offers the least resistance to forwarding motion by a given individual or body.
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