Correct Answer : Option (B) : 1/24
Explanation : The resistance is given by R = ρL/A = L/σA. Put L = 100, σ = 12 and A = 200, we get R = 100/(12 x 200) = 1/24 units.
Correct Answer : Power radiated per unit solid angle in that direction
Correct Answer : A quarter wave line
Correct Answer : Larger wavelength than in the free space