EBK APPLIED PHYSICS
11th Edition
ISBN: 8220102019928
Author: GUNDERSEN
Publisher: YUZU
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Chapter 18, Problem 3AC
A coaxial cable consists of an inner
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EBK APPLIED PHYSICS
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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- Calculate the magnitude of the magnetic field at a point 25.0 cm from a long, thin conductor carrying a current of 2.00 A.arrow_forwardRank the magnitudes of the following magnetic fields from largest to smallest, noting any cases of equality. (a) the field 2 cm away from a long, straight wire carrying a current of 3 A (b) the Held at the center of a flat, compact, circular coil, 2 cm in radius, with 10 turns, carrying a current of 0.3 A (c) the field at the center of a solenoid 2 cm in radius and 200 cm long, with 1 000 turns, carrying a current of 0.3 A (d) the field at the center of a long, straight, metal bar, 2 cm in radius, carrying a current of 300 (e) a field of 1 mTarrow_forwardA long, straight wire lies on a horizontal table and carries a current of 1.20 μA. In a vacuum, a proton moves parallel to the wire (opposite the current) with a constant speed of 2.30 × 104 m/s at a distance d above the wire. Ignoring the magnetic field due to the Earth, determine the value of d.arrow_forward
- Within the green dashed circle shown in Figure P23.28, the magnetic field changes with time according to the expression B = 2.00t3 − 4.00t2 + 0.800, where B is in teslas, t is in seconds, and R = 2.50 cm. When t = 2.00 s, calculate (a) the magnitude and (b) the direction of the force exerted on an electron located at point P1, which is at a distance r1 = 5.00 cm from the center of the circular field region. (c) At what instant is this force equal to zero?arrow_forwardA thin copper rod 1.00 m long has a mass of 50.0 g. What is the minimum current in the rod that would allow it to levitate above the ground in a magnetic field of magnitude 0.100 T? (a) 1.20 A (b) 2.40 A (c) 4.90 A (d) 9.80 A (e) none of those answersarrow_forwardSolenoid A has length L and N turns, solenoid B has length 2L and N turns, and solenoid C has length L/2 and 2N turns. If each solenoid carries the same current, rank the magnitudes of the magnetic fields in the centers of the solenoids from largest to smallest.arrow_forward
- The accompanying figure shows a cross-section of a long, hollow, cylindrical conductor of inner radius r1= 3.0 cm and outer radius r2= 5.0 cm. A 50-A current distributed uniformly over the cross-section flows into the page. Calculate the magnetic field at r = 2.0 cm. r = 4.0 cm. and r = 6.0 cm.arrow_forwardA horizontal power line of length 58 m carries a current of 2.2 kA as shown in Figure P19.34. Earths magnetic field at this location has a magnitude equal to 5.0 105. T and makes an angle of 65 with the power line. Find the magnitude and direction of the magnetic force on the power line. Figure P19.34arrow_forwardTwo long, parallel wires carry currents of I1 = 3.00 A and I2 = 5.00 A in the directions indicated in Figure P29.11 (page 792). (a) Find the magnitude and direction of the magnetic field at a point midway between the wires. (b) Find the magnitude and direction of the magnetic field at point P, located d = 20.0 cm above the wire carrying the 5.00-A current. Figure P29.11arrow_forward
- Figure CQ19.7 shows a coaxial cable carrying current I in its inner conductor and a return current of the same magnitude in the opposite direction in the outer conductor. The magnetic field strength at r = r0 is Find the ratio B/B0, at (a) r = 2r0 and (b) r = 4r0. Figure CQ19.7arrow_forward(a) Find the direction of the force on a proton (a positively charged particle) moving through the magnetic fields in Figure P19.2, as shown. (b) Repeat part (a), assuming the moving particle is an electron. Figure P19.2 Problems 2 and 22.arrow_forward
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Magnets and Magnetic Fields; Author: Professor Dave explains;https://www.youtube.com/watch?v=IgtIdttfGVw;License: Standard YouTube License, CC-BY