Bessel’s differential equation for a circular waveguide is:
Posted: Thu Jul 14, 2022 11:46 am
a) ρ2(d2R/ dρ2) + ρ(dR/dρ) + (ρ2kC2– n2) R=0
b) n2(d2R/ dρ2) + n(dR/dρ) + (ρ2kC2– n2) R=0
c) d2R/ dρ2 + dR/dρ + (ρ2kC2– n2) R=0
d) None of the mentioned
b) n2(d2R/ dρ2) + n(dR/dρ) + (ρ2kC2– n2) R=0
c) d2R/ dρ2 + dR/dρ + (ρ2kC2– n2) R=0
d) None of the mentioned