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Author Question: Three loops of wire, one circular, one rectangular, and one square, are made from identical lengths ... (Read 119 times)

karlynnae

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on: Jul 28, 2018
Three loops of wire, one circular, one rectangular, and one square, are made from identical lengths of wire. If the loops are in the same increasing magnetic field perpendicular to the plane of the coils, which loop has the least induced emf?
 a. the square one
  b. the rectangular one
  c. the circular one
  d. All three would have the same emf induced.

Question 2

A 0.20-kg object is oscillating on a spring with a spring constant of k = 30 N/m. What is the potential energy of the system when the object's displacement is 0.040 m, exactly half the maximum amplitude?
 a. 0.96 J
  c. 0.012 J
  b. 0.024 J
  d. zero


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brittrenee

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

B


karlynnae

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Reply 2 on: Jul 28, 2018
Gracias!

Dnite

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Reply 3 on: Yesterday
Excellent

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