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A flat, square surface with side length 4.35 cm is in the xy-plane at z=0.

Calculate the magnitude of the flux through this surface produced by a magnetic field
B⃗ = (0.200T)i^ + (0.250T)j^ + (0.550T)k^ .

The textbook isn't being helpful, I'll appreciate a good explanation!

Respuesta :

Answer:

I X j = k       (perpendicular to plane)

j X k = 0

i X k = 0       cross products for vectors i, j, k  

Flux = B dot A    and only B in the k direction is relevant

Flux = .550 T * .0435^2  m^2 = .00104 Webers-m^2

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