Radiation resistance of a monopole of height h = l/2 approximately

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Radiation resistance of a monopole of height h = l/2 approximately equals—

1. 400 (hλ)²
2. 400 (h/λ)²
3. 400 (λ/h)²
4. 100 (h/λ)²

Correct Option: B

Radiation resistance of a monopole of height 'h' is given by
R_r = 400 (h/λ)²