gaps along railroad tracks can be observed over time. How is this situation similar to concrete roads?

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A: Magnetic field = 0.52 T  area = 23 cm2 = 23*10-4 m2

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Q: Find the cross-sectional area of a 4.9 cm long solenoid with 515 turns and a self-inductance of 45 µ...

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Q: magnetic field of magnitude 0.52 T is directed vertically upward. (a) Find the magnetic flux throug...

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Q: Direction of B inside the small loop as a result of the induced current:

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Q: Calculate the electric field 20 cm on a charge 0 = 2.0 x10-7 C. A. 4.5 x10^4 N/c B. 3.6 x10^4 N/c C....

A: Given Q = 2.0 × 10-7 Cr= 20 cm = 20 × 10-2 m