24. in case of an oscillating dipole, the radiation resistance r, is (a) directly proportional to dipole length (b) directly proportional to square of the wavel

24. In case of an oscillating dipole, the radiation resistance R, is (A) Directly proportional to dipole length (B) Directly proportional to square of the wavelength emitted by the dipole (C) Inversely proportional to the wavelength radiated by the dipole (D) Inversely proportional to the square of the wavelength radiated by the dipole