Applied Physics (11th Edition)
11th Edition
ISBN: 9780134241142
Author: EWEN
Publisher: PEARSON
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Textbook Question
Chapter 18, Problem 5RQ
Describe how a strong magnetic field can be produced in a solenoid.
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Applied Physics (11th Edition)
Ch. 18.2 - Find the magnetic field at 0.250 m from a long...Ch. 18.2 - Prob. 2PCh. 18.2 - What is the current in a wire if the magnetic...Ch. 18.2 - A power line runs northsouth carrying 675 A and is...Ch. 18.2 - Prob. 5PCh. 18.2 - Find the current in a wire if the magnetic field...Ch. 18.2 - A solenoid has 1000 turns of wire, is 0.320 m...Ch. 18.2 - A solenoid has 3000 turns of wire and is 0.350 m...Ch. 18.2 - A small solenoid is 0.150 m in length and 0.0150 m...Ch. 18.2 - A solenoid has 2500 turns of wire and is 0.200 m...
Ch. 18.2 - A long solenoid has 1000 turns and is 0.250 m...Ch. 18.2 - A small solenoid 0.100 m in length has 1000 turns...Ch. 18.2 - An auto mechanic wants to use a solenoid she found...Ch. 18.2 - An earthmover requires a solenoid with 2500 turns...Ch. 18 - The presence of a magnetic force field may be...Ch. 18 - The deflection of a compass needle placed near a...Ch. 18 - Ampres rule relates a. the strength of a magnetic...Ch. 18 - The unit used to express the strength of a...Ch. 18 - Describe how a strong magnetic field can be...Ch. 18 - Describe how to determine the direction of a...Ch. 18 - Describe how a magnetic field is induced by a...Ch. 18 - Describe how a generator produces current.Ch. 18 - Prob. 9RQCh. 18 - Describe how a motor works.Ch. 18 - What is a synchronous motor, and how does it work?Ch. 18 - Distinguish between a universal motor and an...Ch. 18 - Distinguish between an armature and a stator.Ch. 18 - Prob. 14RQCh. 18 - Prob. 15RQCh. 18 - Prob. 16RQCh. 18 - If the number of turns per inch in a solenoid were...Ch. 18 - Describe how to find the flux lines near a bar...Ch. 18 - How is alternating current produced by a...Ch. 18 - Find the magnetic field at 0.255 m from a long...Ch. 18 - Prob. 2RPCh. 18 - What is the current in a wire if the magnetic...Ch. 18 - A solenoid has 2000 turns of wire, is 0.452 m...Ch. 18 - A solenoid has 2750 turns of wire and is 0.182 m...Ch. 18 - A power line running northsouth carrying 500 A is...Ch. 18 - A ships compass is mistakenly placed 8.35 cm away...Ch. 18 - Figure 18.10 shows a compass near a...Ch. 18 - A coaxial cable consists of an inner conducting...Ch. 18 - Prob. 4ACCh. 18 - Prob. 5AC
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, physics and related others by exploring similar questions and additional content below.Similar questions
- Ail electron is moving at a speed of 1.0 104 in/s in a circular path of radius 2.0 cm inside a solenoid. The magnetic field of the solenoid is perpendicular to the plane of the electrons path. Find (a) the strength of the magnetic field inside the solenoid and (b) the current in the solenoid if it has 25 turns per centimeter.arrow_forwardExplain why the magnetic field would not be unique (that is, not have a single value) at a point in space where magnetic field lines might cross. (Consider the direction of the field at such a point.)arrow_forwardMake a drawing similar to Figure 23.14, but with the pendulum moving in the opposite direction. Then use Faraday’s law, Lenz’s law, and RHR—l to show that magnetic force opposes motion.arrow_forward
- The magnetic field in the core of an air-filled solenoid is 1.50 T, By how much will this magnetic field decrease if the ail is pumped out of the core while the current is held constant?arrow_forwardIn a region of space, a magnetic field is uniform over space but increases at a constant rate. This changing magnetic field induces an electric field that (a) increases in time, (b) is conservative, (c) is in the direction of the magnetic field, or (d) has a constant magnitude.arrow_forwardCalculate the magnetic field strength needed on a 200-tum square loop 20.0 cm on a side to create a maximum torque of 300 N. m if the loop is carrying 25.0 A.arrow_forward
- Is the Earth's magnetic field parallel to the ground at all locations? If not, where is it parallel to the surface? Is its strength the same at all locations? If not, where is it greatest?arrow_forwardCertain experiments must be performed in the absence of any magnetic fields. Suppose such an experiment is located at the center of a large solenoid oriented so that a current of I = 1.00 A produces a magnetic field that exactly cancels Earths 3.50 105 T magnetic field. Find the solenoids number of turns per meter.arrow_forwardThe accompanying figure shows a conducting ring at various positions as It moves througli a magnetic field. What is the sense of the induced em! for each of those positions?arrow_forward
- You are told that in a certain region there is either a uniform electric or magnetic field. What measurement or observation could you make to determine the type? (Ignore the Earth’s magnetic field.)arrow_forwardWe often assume that the magnetic field is uniform in a legion and zero everywhere else. Show that in reality' it is impossible for a magnetic field to drop abruptly to zero, as illustrated in the accompanying figure. (Hint; Apply Ampere's law over the path shown.)arrow_forwardDoes self-inductance depend on the value of the magnetic flux? Does depend on the current through the wire? Correlate your answers with the equation N=LIarrow_forward
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