Physical Universe
16th Edition
ISBN: 9780077862619
Author: KRAUSKOPF, Konrad B. (konrad Bates), Beiser, Arthur
Publisher: Mcgraw-hill Education,
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A rectangle measuring 30.0 cm by 40.0 cm is located inside a region of a spatially uniform magnetic field of 1.70 T , with the field perpendicular to the plane of the coil (the figure (Figure 1)). The coil is pulled out at a steady rate of 2.00 cm/s traveling perpendicular to the field lines. The region of the field ends abruptly as shown. Find the emf induced in this coil when it is all inside the field, when it is partly in the field, and when it is fully outside. Please show all steps.
A rectangular circuit is moved at a constant velocity of 3.00 m/s into, through, and then out of a uniform 1.25 T magnetic field, as shown in the figure (Figure 1). The magnetic field region is considerably wider than 50.0 cm . Find the direction (clockwise or counterclockwise) of the current induced in the circuit as it is going into the magnetic field (the first case), totally within the magnetic field but still moving (the second case), and moving out of the field (the third case). Find the magnitude of the current induced in the circuit as it is going into the magnetic field . Find the magnitude of the current induced in the circuit as it is totally within the magnetic field but still moving. Find the magnitude of the current induced in the circuit as it is moving out of the field. Please show all steps
Shrinking Loop. A circular loop of flexible iron wire has an initial circumference of 161 cm , but its circumference is decreasing at a constant rate of 15.0 cm/s due to a tangential pull on the wire. The loop is in a constant uniform magnetic field of magnitude 1.00 T , which is oriented perpendicular to the plane of the loop. Assume that you are facing the loop and that the magnetic field points into the loop. Find the magnitude of the emf E induced in the loop after exactly time 9.00 s has passed since the circumference of the loop started to decrease. Find the direction of the induced current in the loop as viewed looking along the direction of the magnetic field. Please explain all steps
Chapter 4 Solutions
Physical Universe
Ch. 4 - In 2100 the number of people in the world is...Ch. 4 - Arrange these sources in the order of the energy...Ch. 4 - Of the following, the energy source likely to be...Ch. 4 - Prob. 4MCCh. 4 - Prob. 5MCCh. 4 - Prob. 6MCCh. 4 - Energy not ultimately derived from solar radiation...Ch. 4 - If present trends continue, an optimistic average...Ch. 4 - Prob. 9MCCh. 4 - Prob. 10MC
Ch. 4 - The radiation from an object at room temperature...Ch. 4 - The earths atmosphere is primarily heated by a....Ch. 4 - Prob. 13MCCh. 4 - Prob. 14MCCh. 4 - Prob. 15MCCh. 4 - Of the following fuels, the one that gives off the...Ch. 4 - Of the following fuels, the one that gives off the...Ch. 4 - Which of the following is not a fossil fuel? a....Ch. 4 - Prob. 19MCCh. 4 - The proportion of oil used by the United States...Ch. 4 - Most oil today is used for a. transportation b....Ch. 4 - Prob. 22MCCh. 4 - Prob. 23MCCh. 4 - The least polluting of the following fuels is a....Ch. 4 - Prob. 25MCCh. 4 - Prob. 26MCCh. 4 - The worst emitters of mercury, which damages the...Ch. 4 - Prob. 28MCCh. 4 - Of the following countries, the one that obtains...Ch. 4 - The proportion of electricity generated in the...Ch. 4 - In the relatively near future, the technology most...Ch. 4 - Prob. 32MCCh. 4 - Bright sunlight might deliver energy to an area of...Ch. 4 - The output of which of the following renewable...Ch. 4 - Prob. 35MCCh. 4 - Of the following technologies, the one that may...Ch. 4 - Of the following technologies, the one farthest...Ch. 4 - Biofuels based on which of the following seem to...Ch. 4 - Of the following, the strategy for coping with...Ch. 4 - Prob. 40MCCh. 4 - Population and Prosperity 1. What are the three...Ch. 4 - Energy Supply and Consumption 2. Even if the...Ch. 4 - The average rate of energy consumption per person...Ch. 4 - List the fossil fuels in the order in which they...Ch. 4 - Explain how sunlight is responsible for these...Ch. 4 - What energy sources cannot be traced to sunlight...Ch. 4 - Approximately what proportion of the worlds...Ch. 4 - (a) Give two reasons why global warming is causing...Ch. 4 - Once the polar ice sheets have melted beyond a...Ch. 4 - The oceans as well as the atmosphere are growing...Ch. 4 - When was the last time world temperatures were as...Ch. 4 - Every body of matter radiates light. What is...Ch. 4 - What is the nature of the greenhouse effect in the...Ch. 4 - Prob. 14ECh. 4 - Prob. 15ECh. 4 - (a) Why is deforestation so important in global...Ch. 4 - Prob. 17ECh. 4 - Prob. 18ECh. 4 - Most of the worlds oil is used as a fuel for what...Ch. 4 - Prob. 20ECh. 4 - Prob. 21ECh. 4 - What is the chief reason why the average fuel...Ch. 4 - Prob. 23ECh. 4 - Why is natural gas rarely used as a vehicle fuel?Ch. 4 - What is methane hydrate? Where is it found and why...Ch. 4 - Prob. 26ECh. 4 - Prob. 27ECh. 4 - Prob. 28ECh. 4 - Prob. 29ECh. 4 - Prob. 30ECh. 4 - What is the basic difference between nuclear...Ch. 4 - What role does uranium play in nuclear energy...Ch. 4 - How does a nuclear power plant produce...Ch. 4 - Explain why no nuclear power plants were planned...Ch. 4 - Prob. 35ECh. 4 - Prob. 36ECh. 4 - Prob. 37ECh. 4 - Prob. 38ECh. 4 - Prob. 39ECh. 4 - Give several reasons why fossil-fuel energy is...Ch. 4 - Prob. 41ECh. 4 - Prob. 42ECh. 4 - Prob. 43ECh. 4 - Prob. 44ECh. 4 - (a) What major advantage does geothermal energy...Ch. 4 - Prob. 46ECh. 4 - Prob. 47ECh. 4 - What are the advantages and disadvantages of...Ch. 4 - Prob. 49ECh. 4 - Prob. 50ECh. 4 - Prob. 51ECh. 4 - A major obstacle to a worldwide agreement on...Ch. 4 - Explain the cap-and-trade system for controlling...
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- A circular loop of wire with radius 0.0480 m and resistance 0.163 Ω is in a region of spatially uniform magnetic field, as shown in the following figure (Figure 1). The magnetic field is directed out of the plane of the figure. The magnetic field has an initial value of 7.88 T and is decreasing at a rate of -0.696 T/s . Is the induced current in the loop clockwise or counterclockwise? What is the rate at which electrical energy is being dissipated by the resistance of the loop? Please explain all stepsarrow_forwardA 0.333 m long metal bar is pulled to the left by an applied force F and moves to the left at a constant speed of 5.90 m/s. The bar rides on parallel metal rails connected through a 46.7 Ω resistor, as shown in (Figure 1), so the apparatus makes a complete circuit. You can ignore the resistance of the bar and rails. The circuit is in a uniform 0.625 T magnetic field that is directed out of the plane of the figure. Is the induced current in the circuit clockwise or counterclockwise? What is the rate at which the applied force is doing work on the bar? Please explain all stepsarrow_forwardA 0.850-m-long metal bar is pulled to the right at a steady 5.0 m/s perpendicular to a uniform, 0.650-T magnetic field. The bar rides on parallel metal rails connected through a 25-Ω, resistor (Figure 1), so the apparatus makes a complete circuit. Ignore the resistance of the bar and the rails. Calculate the magnitude of the emf induced in the circuit. Find the direction of the current induced in the circuit. Calculate the current through the resistor.arrow_forward
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