Faraday's Law: The magnetic flux through a coil changes steadily from 4.0 × 10-5 T ? m2 to 5.0 × 10-5 T ? m2 in 0.10 s. What emf is induced in this coil?
A. 5.0 × 10-4 V
B. 4.0 × 10-4 V
C. 1.0 × 10-4 V
D. None of the given answers are correct.
Answer: C
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What is the change in entropy for the process?
A.
B.
C.
D.
A circular loop carrying a current of 3.0 A is oriented in a magnetic field of 0.35 T. The loop has an area of 0.24 m2 and is mounted on an axis, perpendicular to the magnetic field, which allows the loop to rotate. If the plane of the loop is oriented parallel to the field, what torque is created by the interaction of the loop current and the field?
a. 0.017 N×m c. 0.25 N×m b. 0.084 N×m d. 5.8 N×m
Sulfur has an atomic number of 16. What would be the valence number of this element?
A. One B. Two C. Three D. Four E. Six
When a liquid boils and changes to a gas, it is said to have undergone a change of ________
Fill in the blank(s) with correct word