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Magnetic Field Produced by Loops and Solenoids Solutions Library

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40 solutions

Magnetic Field Produced by Loops and Solenoids

Q. Find the magnitude of the magnetic field at the center of 71 turn circular coil with radius 11.5cm, when a current of 2.95 A flows in it.

Solved • Apr 7, 2021

Magnetic Field Produced by Loops and Solenoids

Q. As the number of loops in a current-carrying wire is increased, thea. more spread out is the magnetic fieldb. weaker the currentc. stronger the enc...

Solved • Feb 9, 2021

Magnetic Field Produced by Loops and Solenoids

Q. A solenoid of radius r = 1.25 cm and length l = 28.0 cm has 280 turns and carries 12.0 A.(a) Calculate the flux through the surface of a disk-shape...

Solved • Dec 4, 2020

Magnetic Field Produced by Loops and Solenoids

Q. The wire carries current I2, which is 20 times the current I1 of the loop; the direction of the current in the wire is shown. The magnetic field in...

Solved • Nov 3, 2020

Magnetic Field Produced by Loops and Solenoids

Q. A current-carrying wire is wrapped around cardboard tube as shown below.In which direction does the magnetic field point inside the tube?a. leftb. ...

Solved • Oct 12, 2020

Magnetic Field Produced by Loops and Solenoids

Q. Suppose that the current in a solenoid (total length is L and total turn is N) is I(t). Within the solenoid, but far from its ends, what is the exp...

Solved • Sep 30, 2020

Magnetic Field Produced by Loops and Solenoids

Q. A flat, circular, steel loop of radius 75 cm is at rest in a uniform magnetic field, as shown in an edge-on view in the figure (Figure 1). The fiel...

Solved • Jul 17, 2020

Magnetic Field Produced by Loops and Solenoids

Q. A loop of wire is in the shape of two concentric semicircles as shown. (Figure 1) The inner circle has radius a; the outer circle has radius b. A c...

Solved • Jul 16, 2020

Magnetic Field Produced by Loops and Solenoids

Q. Two loops of wire are next to each other in the same plane.(a) If the switch S is close, what is the direction of current in loop 2?(b) What is the...

Solved • Jul 16, 2020

Magnetic Field Produced by Loops and Solenoids

Q. One long solenoid is placed inside another solenoid. Both solenoids have the same length and the same number of turns of wire, but the outer soleno...

Solved • Jul 16, 2020

Magnetic Field Produced by Loops and Solenoids

Q. What is the strength of the magnetic field at the center of the loop in the figure? Assume that I = 6.0 A and diameter = 2.5 cm

Solved • Jul 15, 2020

Magnetic Field Produced by Loops and Solenoids

Q. In which direction will each compass point when there is a large current in the direction shown?A) The magnetic field points to the right for compa...

Solved • Jul 14, 2020

Magnetic Field Produced by Loops and Solenoids

Q. The south pole of a bar magnet is brought toward a current-carrying loop of wire, as shown below. Does the magnet: Attract/Repel/Have no effect on ...

Solved • Jul 14, 2020

Magnetic Field Produced by Loops and Solenoids

Q. A 108 A current circulates around a 2.40-mm-diameter superconducting ring.1. What is the ring's magnetic dipole moment?2. What is the on-axis magne...

Solved • Jul 13, 2020

Magnetic Field Produced by Loops and Solenoids

Q. A 42-cm-long solenoid, 1.8 cm in diameter, is to produce a 0.030-T magnetic field at its centerIf the maximum current is 4.8 A, how many turns must...

Solved • Jun 2, 2020

Magnetic Field Produced by Loops and Solenoids

Q. A loop of wire carries a current. The resulting magnetic field ___________________.A. points toward the loop at all pointsB. points away from the l...

Solved • Jun 2, 2020

Magnetic Field Produced by Loops and Solenoids

Q. The loop in the figure has an induced current as shown. The loop has a resistance of 0.24 Ω.Part A: Is the magnetic field strength increasing or de...

Solved • Jun 2, 2020

Magnetic Field Produced by Loops and Solenoids

Q. What are the strength and direction of the magnetic field at the center of the loop?

Solved • Jun 2, 2020

Magnetic Field Produced by Loops and Solenoids

Q. Suppose a 50-turn coil lies in the plane of the page, in a uniform magnetic field that is directed into the page. The coil originally has an area o...

Solved • May 21, 2020

Magnetic Field Produced by Loops and Solenoids

Q. A metal detector uses a changing magnetic field to detect metallic objects. Suppose a metal detector that generates a uniform magnetic field perpen...

Solved • May 21, 2020

Magnetic Field Produced by Loops and Solenoids

Q. The wire semicircles shown in Fig. P28.66  have radii a and b. Calculate the net magnetic field (magnitude and direction) that the current in the w...

Solved • May 21, 2020

Magnetic Field Produced by Loops and Solenoids

Q. A piece of wire is bent to form a circle with radius r. It has a steady current I flowing through it in a counterclockwise direction as seen from t...

Solved • May 19, 2020

Magnetic Field Produced by Loops and Solenoids

Q. What is the magnetic field at the center of the loop in Figure P24.17?

Solved • May 13, 2020

Magnetic Field Produced by Loops and Solenoids

Q. What is the magnetic field at the center of the loop in the figure? (Figure 1)

Solved • May 11, 2020

Magnetic Field Produced by Loops and Solenoids

Q. A solenoid is producing a magnetic field of 5.15x10-3 T. It has N = 1600 turns and length d = 0.45 m. a. express current I in terms of B, N, and d....

Solved • May 6, 2020

Magnetic Field Produced by Loops and Solenoids

Q. The magnetic field is decreasing. What is the induced electric field?a) Ab) Bc) Cd) De) There is no induced field in this case

Solved • Apr 24, 2020

Magnetic Field Produced by Loops and Solenoids

Q. A toroid is a solenoid bent into the shape of a doughnut. It looks similar to a toy Slinky with ends joined to make a circle. Consider a toroid con...

Solved • Apr 22, 2020

Magnetic Field Produced by Loops and Solenoids

Q. The circuit shown in the drawing is used to make a magnetic balance to weigh objects. The mass m to be measured is hung from the center of a bar, w...

Solved • Apr 21, 2020

Magnetic Field Produced by Loops and Solenoids

Q. A wire in which there is a current of 3.09 A is to be formed into a circular loop of one turn. If the required value of the magnetic field at the c...

Solved • Jun 27, 2017

Magnetic Field Produced by Loops and Solenoids

Q. A large MRI magnet is a large solenoid (with superconducting wires having zero resistance) with diameter 0.60 m and length 1.8 m. During normal ope...

Solved • May 1, 2017

Magnetic Field Produced by Loops and Solenoids

Q. A circular current loop lies in the x-z plane. What is the direction of the magnetic field outside of the loop in the x-z plane? A. the positive x...

Solved • Mar 23, 2017

Magnetic Field Produced by Loops and Solenoids

Q. A long, straight wire carries a current of I 1 = 8.0 A. A circular loop of wire lies immediately to the right of the straight wire, with the plane ...

Solved • Mar 22, 2017

Magnetic Field Produced by Loops and Solenoids

Q. Two round concentric metal wires lie on a tabletop, one inside the other. The inner wire has a diameter of 20.0 cm and carries a clockwise current ...

Solved • Mar 22, 2017

Magnetic Field Produced by Loops and Solenoids

Q. A circular coil with 50 turns and a radius of 2 cm lies at the center of a larger coil with 100 turns and a radius of 5 cm. While the center of eac...

Solved • Mar 2, 2017

Magnetic Field Produced by Loops and Solenoids

Q. Point P is at the center of a circular loop of wire. Current  I travels around the loop in a clockwise direction, as shown in the sketch. The magne...

Solved • Jan 27, 2017

Magnetic Field Produced by Loops and Solenoids

Q. A long straight wire carries current  I1 = 16.0 A and a circular loop of wire with radius  r = 0.200 m carries current I2 = 22.0 A. The two current...

Solved • Jan 26, 2017

Magnetic Field Produced by Loops and Solenoids

Q. A wire carrying a current is shaped in the form of a circular loop of radius 4.0 mm. If the magnetic field strength at its center is 1.1 mT with no...

Solved • Jan 11, 2017

Magnetic Field Produced by Loops and Solenoids

Q. A solenoid 3.0 cm long consists of 6658 loops of wire. If the magnetic field inside the solenoid is 2.0 T, what is the magnitude of the current tha...

Solved • Jan 6, 2017

Magnetic Field Produced by Loops and Solenoids

Q. Consider a solenoid that is very long compared to the radius. Of the following choices, the most effective way to increase the magnetic field in th...

Solved • Dec 23, 2016

Magnetic Field Produced by Loops and Solenoids

Q. A solenoid of 200 turns carrying a current of 2 A has a length of 25 cm. What is the magnitude of the magnetic field at the center of the solenoid?...

Solved • Dec 21, 2016