Question

2. A radio wave of frequency 90 MHz enters a ferrite rod. If ɛr =103 and Mr = 10, then find the velocity and wavelength of the wave in ferrite.​

Answer 1

Explanation:

Velocity of radio wave in ferrite rod:

v=

r

ϵ

r

c

=

10

2

3×10

8

=

3×

10

6

m/s

Wavelength

λ=

90×10

6

3×10

6

=

0.333×

10

−1

m=

3.33×

10

−2

m