Physics Practice Problems Motional EMF Practice Problems Solution: A 10 cm long zero resistance wire is pushed toward...

# Solution: A 10 cm long zero resistance wire is pushed towards the 2.0 Ω resistor with a steady speed of 0.5 m/s as shown in the figure below. A magnetic field of 0.5 T is directed out of the page as shown. What is the rate of change of flux?A) ZeroB) 0.025 T•m2/sC) 0.115 T•m2/sD) 0.05 T•m2/sE) None of the above

###### Problem

A 10 cm long zero resistance wire is pushed towards the 2.0 Ω resistor with a steady speed of 0.5 m/s as shown in the figure below. A magnetic field of 0.5 T is directed out of the page as shown. What is the rate of change of flux?

A) Zero

B) 0.025 T•m2/s

C) 0.115 T•m2/s

D) 0.05 T•m2/s

E) None of the above

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