Imagine that the satellite described in the problem introduction is used to transmit television signals. You have a satellite TV
reciever consisting of a circular dish of radius R which focuses the electromagnetic energy incident from the satellite onto a receiver which has a surface area of 5 cm2. How large does the radius R of the dish have to be to achieve an electric field vector amplitude of 0.1 mV/m at the receiver
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Working displayed in the picture below, the answer is -11 m s^-2
