A circular TV loop antenna with 0.02 m² area is in the presence of a magnetic field signal B = 0.8 cos wt î [nA/m]. The antenna is oriented in such a position that it will receive maximum magnetic flux. Given that the frequency of the signal is 300 MHz, find the emf generated in the loop antenna.
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- A square loop with area of A= 0.25m^2 has a perpendicular magnetic field passing through. If the magnetic field increases from B=2.0T to B=4.0T in 0.2 seconds, what is the induced e.m.f?An automobile has a vertical radio antenna 1.15 m long. The automobile travels at 51.0 km/h on a horizontal road where Earth's magnetic field is 50.0 uT, directed toward the north and downward at an angle of 65.0° below the horizontal. (a) Specify the direction the automobile should move so as to generate the maximum motional emf in the antenna, with the top of the antenna positive relative to the bottom. O north O east O west O south (b) Calculate the magnitude of this induced emf. mvAn automobile with a radio antenna 1.3 m long travels at 108.0 km/h in a location where the Earth's horizontal magnetic field is 3.0 ✕ 10−5 T. What is the maximum possible emf (in V) induced in the antenna due to this motion?