The bar in Figure OQ31.6 moves on rails to the right with a velocity v → ,. and a uniform, constant magnetic field is directed out of the page. Which of the following statements are correct? More than one statement may be correct. (a) The induced current in the loop is zero. (b) The induced current in the loop is clockwise. (c) The induced current in the loop is counterclockwise. (d) An external force is required to keep the bar moving at constant speed. (e) No force is required to keep the bar moving at constant speed.
The bar in Figure OQ31.6 moves on rails to the right with a velocity v → ,. and a uniform, constant magnetic field is directed out of the page. Which of the following statements are correct? More than one statement may be correct. (a) The induced current in the loop is zero. (b) The induced current in the loop is clockwise. (c) The induced current in the loop is counterclockwise. (d) An external force is required to keep the bar moving at constant speed. (e) No force is required to keep the bar moving at constant speed.
Solution Summary: The author explains that the induced current in the loop is clockwise and an external force is required to move the bar at constant speed.
The bar in Figure OQ31.6 moves on rails to the right with a velocity
v
→
,. and a uniform, constant magnetic field is directed out of the page. Which of the following statements are correct? More than one statement may be correct. (a) The induced current in the loop is zero. (b) The induced current in the loop is clockwise. (c) The induced current in the loop is counterclockwise. (d) An external force is required to keep the bar moving at constant speed. (e) No force is required to keep the bar moving at constant speed.
A certain brand of freezer is advertised to use 730 kW h of energy per year.
Part A
Assuming the freezer operates for 5 hours each day, how much power does it require while operating?
Express your answer in watts.
ΜΕ ΑΣΦ
?
P
Submit
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Part B
W
If the freezer keeps its interior at a temperature of -6.0° C in a 20.0° C room, what is its theoretical maximum
performance coefficient?
Enter your answer numerically.
K =
ΜΕ ΑΣΦ
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Part C
What is the theoretical maximum amount of ice this freezer could make in an hour, starting with water at 20.0°C?
Express your answer in kilograms.
m =
Ο ΑΣΦ
kg
Describe the development of rational choice theory in sociology.
Please include
A-E please
Chapter 31 Solutions
Physics for Scientists and Engineers, Technology Update, Hybrid Edition (with Enhanced WebAssign Multi-Term LOE Printed Access Card for Physics)
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What is Electromagnetic Induction? | Faraday's Laws and Lenz Law | iKen | iKen Edu | iKen App; Author: Iken Edu;https://www.youtube.com/watch?v=3HyORmBip-w;License: Standard YouTube License, CC-BY