Answered: Solve this questions briefly a.…

Solve this questions briefly a. Briefly explain the difference between conducting current and displacement current. b. Briefly explain why the sign of the continuity equation is negative.

University Physics Volume 2

18th Edition

ISBN:9781938168161

Author:OpenStax

Publisher:OpenStax

Chapter11: Magnetic Forces And Fields

Section: Chapter Questions

Problem 40P: (a) What is the maximum torque on a 150-tum square loop of wire 13.0 cm oil a side that carries a...

See similar textbooks

Related questions

Q: What is the direction of external magnetic field (magnetic poles are shown in figure)? i. Left to…

A: i) The distribution of the magnetic force within or around a magnetic material is given by magnetic…

Q: tial difference 1.5v ofer B 4 Age MAGNETS MAGNETIC FIELDS 1. Answer the questions below on the basis…

A: A magnetic field can be represented by imaginary lines drawn around a magnet or a magnetized…

Q: Draw the current in the wire that results in this movement of the wire. B What is the direction of…

Q: This problem refers to diagram 9. A series of "infinite" straight wires, each carrying current / =…

Q: The figure below shows a uniform magnetic field directed into the plane of the paper (shown by the…

A: Introduction: The magnetic field is defined as the magnetic influence on moving electric charges,…

Q: • B? * In the figure above, a wire is oriented horizontally across the screen with a current that is…

A: Using right hand thumb rule, hold the wire in such a way the thumb points in the direction of…

Q: important to change the direction of the c

A: it important to change the direction of the current in a motor

Q: Consider the flat aluminum disk at the end of a rod swinging into and out of a region of magnetic…

A: Faraday's laws of electromagnetic induction state that whenever the magnetic flux associated with a…

Q: Imagine the xy coordinate plane is the plane of the page. A wire along the z-axis carries current in…

A: We know that a current-carrying conductor induces a magnetic field around it and the direction of…

Q: A charged particle follows a curved path in a magnetic field as shown. What polarity (positive or…

A: formula:- Force acting on charge placed in external magnetic fieldis give by F = q(v→×B→ ) When a…

Q: c) What would happen to the magnetic field and the current if the magnet is moved rapidly back and…

A: Answers to part a) and b) are correct.

Q: • B? I e In the figure above, a wire is oriented vertically across the screen with a current that is…

A: According to right hand thumb rule , when a current carrying wire is held in a right hand with only…

Q: There is a uniform magnetic field which points to the right. A +2 C charge is moving upwards through…

Q: Two circular wire loops are fixed in place as shown. counter-clockwise as viewed from above. a)…

Q: Two long, parallel wires, each with a mass per unit length of 15 g/m, are supported in a horizontal…

A: Given: The mass per unit length of the two parallel wire is 15 g/m. The length of the…

Q: direction. The wire is placed near a wire loop. For each case described below, answer the following…

A: Given: A straight wire carrying a current in an upward direction. The wire is placed near a wire…

Q: A circular loop has radius R and carries current I, in a clockwise direction (the figure (Figure…

A: (a) Magnitude of current I1 Magnitude of magnetic field due to the circular loop is equal to the…

Q: 1) A loop of wire shown below has a clockwise electric current (the current on the left side is…

A: In the given question, We have to indicate the direction of the magnetic field.

Q: SC.91 1. MAIN Idea Explain Why does a magnet exert a force on another magnet when the two magnets…

A: As per guidelines we can answer only 1 question.

Q: A wire cable used to transmit electricity to the household of one community has a current of 24 A.…

Q: Required information A long straight wire carrying a current / is in the plane of a circular loop of…

A: Given : R = 33.2 Ω I = 80.1 mA = 80.1 × 10-3 A

Q: 1) A loop of wire shown below has a clockwise electric current (the current on the left side is…

A: .

Q: A long straight wire is located above one edge of a current loop. The wire and loop are oriented…

Q: 3. Current is flowing clockwise in the loop shown below. What is the direction of the magnetic field…

A: In the given figure, the current flows in a loop in the clockwise direction. According to…

Q: 2. The figure below shows a uniform magnetic field directed into the plane of the paper (shown by…

A: Magnetic fields exert forces on charged particles in motion. The direction of the magnetic force is…

Q: Fill in the blank using the words from the box below. Drag and drop. negative y- positive x-…

A: The right wire shows the direction of magnetic field in negative y axis at point O using right hand…

Q: (1) We will try to find the magnetic field of the wire that takes the shape shown below. (a) Use the…

A: The figure of the given problem is:

Q: The figure shows the direction of motion of a negative charge moving in a magnetic field. B What is…

Q: Figure 3 shows a straight wire carrying a current in upward direction. The wire is placed near a…

A: Case 1 : The direction of the magnetic field is determined by the right-hand thumb rule. (a) The…

Q: Choose the best answer: The figure shows the direction of motion of a negative charg moving in a…

A: Concept-

Q: Use the worked example above to help you solve this problem. A proton moves with a speed of 1.28 x…

A: Given: particle : protonq = +1.6*10-19 Cv = 1.28*105 m/s B =59.1 μT=59.1*10-6 T

Q: wo students are conducting an experiment where they pass a bar magnet through a oil of wire as seen…

Q: 30. On the diagram below, label the following: a) The direction of the force on the cylinderi b) The…

A: A) Magnetic force on current carrying cylinder will be in Downward direction. B) Current direction…

Q: Solve this problem pertaining to heat transfer. The figure below shows a uniform magnetic field…

Q: A current through the wire creates the magnetic field shown. ODD What direction is the…

A: Using right hand thumb rule, we can find the direction of current. Curl the fingers of the right…

Q: The copper sheet shown below is partially in a magnetic field. What happens when it is pulled to the…

A: We have to use here Lenz's law.

Q: A long and narrow rectangular loop of wire is moving toward the bottom of the page with a speed of…

Q: denect charged particles entering the magnetic fields shown with blue arrows in figure? Draw a…

A: According to question we need to find direction of deflection of charge?

Q: The inmage below shows 3 current carrying wires. The two outside wires are fixed at their current…

A: Given::: The three wires carry current in different directions, and the wires at end are fixed at…

Q: uch emf will be generated? (Hint1: assume that magnetic field is dicular to the plane which…

Q: a loop model (loop L) for a paramagnetic material. (a) Sketch the field lines through and about the…

A: (a) sketch of magnetic field lines

Q: a) Compare and contrast magnetic and electric fields. Your answer should include at least 2 ways…

Q: The figure shows the direction of motion of a positive charge moving in a magnetic field. B What is…

Concept explainers

Bar Magnet

In physics, magnetism is a phenomenon exhibited by a magnetic substance that exerts either attractive or repulsive force. A bar magnet is either a rectangular or round and hollow fit comprised of ferromagnetic materials and has a fanciful attractive field surrounded by it.

Question

Solve this questions briefly

a. Briefly explain the difference between conducting current and displacement current.

b. Briefly explain why the sign of the continuity equation is negative.

Video Video

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

This is a popular solution!

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Trending now

This is a popular solution!

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

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

Unreasonable results Frustrated by the small Hall voltage obtained in blood flow measurements, a medical physicist decides to increase the applied magnetic field strength to get a 0.500-V output for blood moving at 30.0 cm/s in a 1.50-cm-diameter vessel. (a) What magnetic field strength is needed? (b) What is unreasonable about this result? (C) Which premise is responsible?
Current flows along a thin, infinite sheet as shown in the accompanying figure. The current per unit length along the sheet is J in amperes per meter, (a) Use the Biot-Savart law to show that B=0J/2 on either side of the sheet. What is the direction of B on each side? (b) Now use Ampere’s law to calculate the field.
(a) An oxygen16 ion with a mass at 2.661026kg travels at 5.00106m/s perpendicular to a 1.20T magnetic field, which makes it move in a circular arc with a 0.231-m radius. What positive charge is on the ion? (b) What is the radio of this charge to the charge of an electron? (c) Discuss why the radio found in (b) should be an integer.
The current density in the long, cylindrical wire shown in the accompanying figure varies with distance r from the center of the wire according to J = cr. where c is a constant (a) What is the current through the wire? (b) What is the magnetic field produced by this current for r < R? For rR ?
An electron in a TV CRT moves with a speed at 6.00107m/s, in a direction perpendicular to the Earth’s field, which has a strength of 5.00105T. (a) What strength electric field must be applied perpendicular to the Earth’s field to make the election moves in a straight line? (b) If this is done between plates separated by 1.00 cm, what is the voltage applied? (Note that TVs are usually surrounded by a ferromagnetic material to shield against external magnetic fields and avoid the need for such a correction.)
(a) What is the speed of a supersonic aircraft with a 17.0-m wingspan, if it experiences a 1.60V Hall voltage between its wing lips when in level flight over the north magnetic pole, where the Earth's field strength is 8.00105T ? (b) Explain why very little current flows as a result of this Hall voltage.
(a) A 0.750-m-long section of cable carrying current to a car starter motor makes an angle at 60° with the Earth’s 5.00105-T field. What is the current when the wire experiences a force of 7.00103N ? (b) If you run the wire between the poles of a strong horseshoe magnet, subjecting 5.00 cm of it to a 1.75T field, what force is exerted on this segment of wire?
Unreasonable results A charged particle having mass 6.641027kg (that of a helium atom) moving at 8.70105m/s perpendicular to a 1.50-T magnetic field travels in a circular path of radius 16.0 mm. (a) What is the charge of the particle? (b) What is unreasonable about this result? (c) Which assumptions are responsible?
(a) What is the maximum torque on a 150-tum square loop of wire 13.0 cm oil a side that carries a 50.0-A current in a 1.60-T field? (b) Wliat is the torque when d is 10.9s?
The square armature coil of an alternating current generator has 200 turns and is 20.0 cm on side. When it rotates at 3600 rpm, its peak output voltage is 120 V. (a) Wliat is the frequency' of the output voltage? (b) What is the strength of the magnetic field in which the coil is turning?
A 0.50-kg copper sheet drops through a uniform horizontal magnetic field of 1.5 T, and it reaches a terminal velocity of 2.0 m's. (a) What is the net map,-, eh: force on the sheet after it reaches terminal velocity? (b) Describe the mechanism responsible for this force, (c) How much power is dissipated as Joule heating while the sheet moves at terminal velocity?
A strip of copper is placed in a uniform magnetic field of magnitude 2.5 T. The Hall electric field is measured to be 1.5103V/m (a) What is the drift speed of the conduction electrons? (b) Assuming that n =8.01028 elections per cubic meter and that the cross-sectional area of the strip is 5.0106m2 , calculate the current in the ship, (c) What is the Hall coefficient 1/nq?