Question

Part A A circular loop of wire has radius of 5.50 cm A sinusoidal electromagnetic plane wave traveling in air passes through the loop, with the direction of the magnetic field of the wave perpendicular to the plane of the loop. The intensity of the wave at the location of the loop is 0.0295 W/m², and the wavelength of the wave is 6.50 m What is the maximum emf induced in the loop? Express your answer with the appropriate units. OCH HÅR O a ? Emax = Value Units Submit Request Answer

Answer 1

magnetic field corresponding to em wave

B^2 = 2 uo I / c

B^2 = 2* 4* 3.14* 10^-7* 0.0295 / (3* 10^8)

B = 1.572* 10^-8

angular frequency

w = 3* 10^8* 2 pi / 6.5

w = 2.898* 10^8 rad/s

now, net emf

e = A B w = pi r^2 B w

e = 3.14* 0.055^2* 1.572* 10^-8* 2.898* 10^8

e = 0.04328 V

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