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Problem 25 Easy Difficulty

A pickup truck has a width of 79.8 in. If is traveling north at 37 $\mathrm{m} / \mathrm{s}$ through a magnetic field with vertical component of $35 \mu \mathrm{T},$ what magnitude emf is induced between the driver and passenger sides of the truck?

Answer

0.00262 \mathrm{V}

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Video Transcript

All right. So magnetic field is perpendicular to, um direction of motions. This formula so easily apply which was induced to your master using cold a magnetic field strength be linked. L times velocity. So field strength Ah b is I feel strong. B is given by now. 35 uh, 35 micro Tesler length l is given by 79.8 meters and velocity V is given by 37 Ah, 37 meters per second. This gives you this gives you something that's not correct, because guess what? This is actually in inches. Ah, so this is inches and not meters and sort of convert from interest in meters. Ah, you have to multiply that by some values. So ah, simple pitfall. Here is that of units. So this is 79.8 inches times 0.254 meters per inch. That's the conversion of to do there, and velocity is in the right units. So this gives you about 2.62 million volts.

New Mexico State University
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