Bessel’s differential equation for a circular waveguide is:

1.	Bessel’s differential equation for a circular waveguide is:
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
Answer» B. n2(d2R/ dρ2) + n(dR/dρ) + (ρ2kC2– n2) R=0

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Bessel’s differential equation for a circular waveguide is:

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