Math Problem Statement
A N-turn circular loop with uniform current distribution having a radius of 2/200 is wound around a ferrite core of permeability 4.5. Find out the number of turns required to get a radiation resistance of 1 2.
a) 16
b) 9
c) 25
d) 4
Solution
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Math Problem Analysis
Mathematical Concepts
Electromagnetic theory
Radiation resistance
Magnetic circuits
Formulas
R_{rad} = 31,200 (N r^2 / λ^2)^2
Theorems
Electromagnetic radiation and antenna theory
Suitable Grade Level
College Level (Electromagnetic Theory or Advanced Physics)
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