If the distance between the transmitting and receiving antenna is decreased by a factor 2 while other factors remain same, then the new power received by the antenna _______
(a) increases by factor 2
(b) decreases by factor 2
(c) increases by factor 4
(d) decreases by factor 4
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I want to ask this question from Friis Transmission Equation topic in division Antenna Parameters of Antennas