A coil of Nichrome wire is 25.0 m long. The wire has a diameter of 0.400 mm and is at 20.0°C. If it carries a current of 0.500 A, what are (a) the magnitude of the electric field in the wire, and (b) the power delivered to it? (c) What If? If the temperature is increased to 340°C and the voltage across the wire remains constant, what is the power delivered?
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.
A coil of Nichrome wire is 25.0 m long. The wire has a
diameter of 0.400 mm and is at 20.0°C. If it carries a
current of 0.500 A, what are (a) the magnitude of the
electric field in the wire, and (b) the power delivered to
it? (c) What If? If the temperature is increased to 340°C
and the voltage across the wire remains constant, what
is the power delivered?
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