A 5.1cm diameter circular loop of wire is in a 1.15T magnetic field. The loop is removed from the field in 0.14s. Assume that the loop is perpendicular to the magnetic field. What is the average induced emf?
Express your answer using two significant figures.
E= ____ V
2. A simple generator is used to generate a peak output voltage of 21.0V. The square armature consists of windings that are 6.6cm on a side and rotates in a field of 0.350T at a rate of 51.0rev/s. How many loops of wire should be wound on the square armature?
Express your answer as an integer.
N= _____ loops
3. A generator rotates at 76Hz in a magnetic field of 2.6
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