Electronics and Communication Engineering - Electromagnetic Field Theory - Discussion

Discussion Forum : Electromagnetic Field Theory - Section 2 (Q.No. 39)

Electromagnetic Field Theory

39.

At a particular time it is observed that the frequencies of F layer at Delhi is 3 MHz the maximum electron density is

11 x 10¹⁰

1.1 x 10¹⁰

0.11 x 10¹⁰

11 x 10¹²

Answer: Option

Explanation:

f_c = 9N_max 3 x 10⁶ = 9N_max

N_max = 0.11 x 10¹² 11 x 10¹⁰/m³.

Discussion:

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