Week 8 Assignment.docx - RamonB.Flores 4355744 SCIN234C001...

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Ramon B. Flores 4355744 SCIN234 C001 42 . What is the maximum electric field strength in an electromagnetic wave that has a maximum  magnetic field strength of  5.00×10 −4 T 5.00 × 10 4T (about 10 times Earth’s magnetic field)? c = E 0 B 0 E 0 =( 5 × 10 4 T )( 3 × 10 8 m / s )= 15 × 10 4 V / m 52 . The filament in a clear incandescent light bulb radiates visible light at a power of 5.00 W. Model the  glass part of the bulb as a sphere of radius  r 0 =3.00cm r0=3.00cm and calculate the amount of  electromagnetic energy from visible light inside the bulb. I = P A A = 4 π r 2 I = P 4 π r 2 = 5.00 W 4 π ( ( 3.00 cm ) ( 1 m 100 cm ) ) 2 = 422 J 76 . Radio station WWVB, operated by the National Institute of Standards and Technology (NIST) from  Fort Collins, Colorado, at a low frequency of 60 kHz, broadcasts a time synchronization signal  whose range covers the entire continental US. The timing of the synchronization signal is controlled 
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