A dish antenna having a diameter of 14.0 m receives (at normal incidence) a radio signal from a distant source as shown in = 0.800 µV/m. Assume the antenna the figure below. The radio signal is a continuous sinusoidal wave with amplitude E max absorbs all the radiation that falls on the dish.
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- Write the expression for the electric field E of a 300 MHz LH circularly polarized plane wave propagating in the -ve X-direction in a medium with ɛp. = 3, µ = 1, and σ = 5 (S/m).On its highest power setting, a certain microwave oven projects 0.75 kW of microwaves onto a 20 by 35 cm area. (a) What is the intensity in W/m2? W m² (b) Calculate the peak electric field strength Eo in these waves. V m (c) What is the peak magnetic field strength Bo? T Submit QuestionWhat inductance must be connected to a 25 pF capacitor in an oscillator capable of generating 490 nm (i.e., visible) electromagnetic waves?
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