Consider a piece of nichrome wire which is attached to a 1.0-mm-diameter aluminu
ID: 1280238 • Letter: C
Question
Consider a piece of nichrome wire which is attached to a 1.0-mm-diameter aluminum wire, as diagrammed in the figure below. What diameter should the nichrome wire in the figure below be in order for the electric field strength to be the same in both wires?
Consider a piece of nichrome wire which is attached to a 1.0-mm-diameter aluminum wire, as diagrammed in the figure below. What diameter should the nichrome wire in the figure below be in order for the electric field strength to be the same in both wires?Explanation / Answer
relative permitivity of nichrome=0.0004
relative permitivity of aluminium=9.3
therefore
er/d1^2=er2/d2^2
d1=1*(sqrt(9.3/0.004))
=48.21 mm ans