Electronics and Communication Engineering - Electromagnetic Field Theory - Discussion

Discussion Forum : Electromagnetic Field Theory - Section 1 (Q.No. 8)
8.
Find the radiation resistance of an antenna of length λ/10 meter?
8 Ω
780 Ω
7.8 Ω
78 Ω
Answer: Option
Explanation:

.

Discussion:
6 comments Page 1 of 1.

Dinakar said:   9 years ago
How 0.8? But in option it's 7.8?

Gagana said:   9 years ago
Since the value of pi is 3.14, substitute it in place of, then you will get.

Lakshmi said:   8 years ago
80(3.14)^2.(10) answer 7.8.

Sunni said:   8 years ago
This is which type antenna?

Prasad said:   8 years ago
80/10 is 8 so 8*π2 answer will be 78.

Hafeela said:   5 years ago
80/100*3.14^2 = 7.8.

There is (dl/&lamda;)^2.

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