Question

# A square conducting loop with side length a = 1.25 cm is placed at the center...

A square conducting loop with side length

a = 1.25 cm

is placed at the center of a solenoid 40.0 cm long with a current of 4.60 A flowing through its 470 turns, and it is aligned so that the plane of the loop is perpendicular to the long axis of the solenoid. The radius of the solenoid is 5.00 cm.

(a) What is the magnetic flux through the loop?
Wb

(b) What is the magnitude of the average emf induced in the loop if the current in the solenoid is increased from 4.60 A to 20.0 A in 1.75 s?
V

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