23.2-Slidewire EMF and Transformers Predict/Calculate Problem 23.82-Copy 9 of 11

Question

23.2-Slidewire EMF and Transformers Predict/Calculate Problem 23.82-Copy 9 of 11 > IP A car with a vertical radio antenna 80 cm long drives due east at 24 m/s. The Earth's magnetic field at this location has a magnitude of 6.4 10-5 T and points northward, 77 below the horizontal. Part A Is the top or the bottom of the antenna at the higher potential? O the top Othe bottom Previous Answers Correct PartE Find the induced emf between the ends of the antenna. Express your answer using two significant figures.

Explanation / Answer

induced voltage = rate of change of flux

= L*v* B sin theta

= 24*0.80* 6.4e-5* sin 77 degree

= 0.001197 V.

= 1.197 mV answer

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