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Unformatted text preview: ( t ) ﬂowing in the loop. (c) Is V 1 = V 2 ? B y x 1 1 2 2 R = 10 W 1 R = 5 W 2 V 1 + _ V 2 + _ Figure 2: Wire loop 3. The loop in Figure 3 is in motion with velocity ~u =-u o ˆ a y [m/s]. The ﬂux density is-→ B = B o e-αy ˆ a z [T]. (a) Solve for V AB , V DC , and V emf . Hint: V emf = V AB-V DC (b) Solve for the current. x z y R /2 R /2 A B C D-a/2 a/2 y y+b B u Figure 3: Wire loop 2 4. If-→ B in Figure 4 is-→ B = B o ˆ a z , solve for the voltage on the meter and indicate polarity. V z w r = a Conducting Shaft Contact Voltmeter Copper Disk B Figure 4: Faraday Homopole Generator 3...
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- Spring '08
- Magnetism, Magnetic Field, vEMF