Physics, 21.11.2019 19:31 culbertchristi4887

Amotor with a brush-and-commutator arrangement has a circular coil with radius 2.5cm and 150 turns of wire. the magnetic field has magnitude 0.060t and the coil rotates at 440rev/min.

part a
what is the maxium emf induced in the coi?
express your answer using two significant figure.
emax = v
part b
what is the average back emf?
express you anser using two significant figures.
eav = v

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Amotor with a brush-and-commutator arrangement has a circular coil with radius 2.5cm and 150 turns o...