The flexible loop in the figure below has a radius of 15.0 cm and is in a magnetic field of magnitude 0.180 T. The loop is grasped at points A and B and stretched until its area is nearly zero. If it takes 0.220 s to close the loop, what is the magnitude of the average induced emf in it during this time interval?
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Step 1
First, let's calculate the initial area of the loop. The area of a circle is given by the formula A = πr^2, where r is the radius. In this case, the radius is 15.0 cm, so the initial area is A = π(15.0 cm)^2. Show more…
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'The flexible loop in the figure below has radius of 15.0 cm and is in magnetic field of magnitude 0.140 T The loop is grasped at points and B and stretched until its area is nearly zero_ If it takes 0.220 close the loop_ what is the magnitude of the average induced emf in it during this time interval? mv'
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The flexible loop in the figure below has a radius of 12.0 cm and is in a magnetic field of magnitude 0.15 T. You grab the loop at points A and B and stretch it until its area is nearly zero. If it takes about 0.2 s to close the loop, what is the magnitude of the average induced emf in it during this time interval? Answer in volts to 3 decimal places.
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