An automobile has a vertical radio antenna 1.20 m long.The automobile travels at 65.0 km/h on a horizontal roadwhere Earth’s magnetic field is 50.0 µT, directed toward thenorth and downward at an angle of 65.0° below the horizontal.(a) Specify the direction the automobile should move soas to generate the maximum motional emf in the antenna,with the top of the antenna positive relative to the bottom.(b) Calculate the magnitude of this induced emf.

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Chapter30: Faraday's Law
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An automobile has a vertical radio antenna 1.20 m long.
The automobile travels at 65.0 km/h on a horizontal road
where Earth’s magnetic field is 50.0 µT, 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.
(b) Calculate the magnitude of this induced emf.

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