A permanent magnet is a piece of magnetic material that has been magnetized and can hold its magnetic strength for a reasonable length of time. Select one: TRUE FALSE

Q: 2- Find the magnitude of the magnetization in a material for which: i. The magnetic flux density is…

A: This question belongs to electro magnetic field theory . It is based on the concept of magnetization…

Q: 37. The total number of magnetic lines of force in a magnetic field is called A. magnetic flux B.…

A: We need to tell about magnetic flux  in magnetic force .

Q: What would happen to the apparent change in mass if the poles of the magnet were switched? (Select…

A: While changing the poles of the bar magnet, Spot one of the bar magnets inside the loop. Spot the…

Q: Unlike the field of a permanent magnet, the field of an electromagnet: Select one: a. only exists in…

A: The question is asking to identify the characteristic of an electromagnet that differentiates it…

Q: 34. The inductance of a material refers to: a. Ability of the material to store magnetic field. b.…

A: In this question,  We need to choose the choose the correct options   As per our guidelines we are…

Q: Whenever lines of magnetic force cut across a conductor: Select one: a. a voltage will be induced in…

A: The question is asking about the phenomenon that occurs when lines of magnetic force cut across a…

Q: The field strength of an electromagnet: Select one: remains constant as voltage across the coil…

A: The field strength of an electromagnet is a measure of how strong the magnetic field produced by the…

Q: Energy is stored in the in the form of a magnetic field inside of a magnet but not outside of a…

A: Solve the problem

Q: Man-made permanent magnets retain their magnetism _____ than natural magnets.   Select one: A.…

A: Man-caused counterfeit magnets to can be created in various shapes, sizes and attractive qualities.…

Q: 1: What is the space around a current-carrying condactor, in which its magnetic effect can be…

A:

Q: A magnetic field is _______.

A:

Q: 1. A 60-cm long, straight wire conducts a current of 12 A directed out of the page. It experiences a…

A:

Q: b) Figure 6 shows a moveable wire PQ across a magnetic field B with force F at a constant velocity…

A: Given : v=4.0 cm/s=0.04 m/sI=10 cm=0.1 mB=0.5 TR=0.8 Ω The magnitude of induced emf is given by:…

Q: 36. The space outside the magnet where repulsion on a magnetic pole is called its poles have a force…

A: We need to tell about magnetic field outside a magnet.

Q: 2. A rectangular frame of sides 2b x c has current I and mass m. It is a distance b below a very…

A: “Since you have posted a question with multiple sub-parts, we will solve first three subparts for…

Q: 1. A rectangular loop carrying current is placed parallel to an infinitely long filamentary wire…

A: A rectangular current carrying loop is placed parallel to an infinitely long filamentary wire…

Q: The magnetic field strength at the north pole of a 2.0-cm-diameter, 8-cm-long Alnico magnet is 0.10…

A: Need to find number of turns

Q: Choose the parameter which is developed in a generator, when a conductor cuts the magnetic flux.…

A:

Q: Moving charges create electric field. Which of the following is true regarding this concept?   a.…

A: Given  A multiple choice question based on electric and magnetic field.

Q: A standard magnetic testing experiment using a ballistic galvanometer (BG) and reverse current…

A: N1=150 N2=200 k =5×10-6 Ri=150 Ω Rc =10 Ω D =12 cm A=2.5 cm2

Q: The correct answer is Andre Ampere. Explain his discovery in layman's terms. An illustration or…

A: Node: The meeting point of more than two branches in a circuit is referred as a node. At that node…

Q: 1. What will happen to the magnetic strength of a magnet when it is exposed to high temperature?

A:

Q: A long, straight wire carries a current of 15.0 A. What are the magnitudes of the magnetic field at…

A: Given that,   I=15A We have to find B for a)r=2cm=0.02m b)r=4 cm=0.04m c)r=10cm=0.01m

Q: A small stainless steel pellet feels the force of one of the poles of a bar magnet. The distance…

A: In the given questions we need to explain about the force of attraction between magnet bar pole and…

Q: Question 4 The operating principle of an electric motor is based on the permanent magnet, capable of…

A: option B: Magnetic flux is the number of magnetic field of lines crossing the surface normally. If…

Q: The magmatic flux density within a har of some material of 0.630 Tesla at an H field of 5*10 compute…

A: The solution can be achieved as follows.

Q: Assume that the two magnets shown below are sufficiently separated that their forces do not…

A: When the same type of pole is close to each other than magnet experience a repulsive force When the…

Q: 3. Determine the reluctance of a magnetic core with a length of 2 mm, a cross-sectional area of 1…

A: Magnetic core length L=2 mm =2×10-3 m. Cross sectional area A=1 cm2=10-4 m2. Relative permeability…

Q: 2. What were early natural magnets known as?

A: During ancient times, the explorers used to place a small piece of magnetic stone (natural magnets…

Q: A proton enters a magnetic field with a velocity of 2 x 10° m/s in the +x direction. A) What is the…

A:

Q: An electromagnet is used to support a solid piece of steel, as shown in the figure below. A force of…

A:

Q: A bar magnet has a magnetic moment of 200 Am². The magnet is suspended in a magnetic field of 0.30…

A: Given, Magnetic moment, M = 200 Am2 Magnetic field, B=0.3 NA-1m-1 Angle, θ=30°

Q: 1. If a current of 5A flows through a long wire of radius 0.002meter, what is the intensity of…

A: Given data: Long wire radius, r=0.002 m Current I=5 A Distance from wire R=0.04 m

Type of Magnetic Material

Every material has a unique composition that defines its magnetic behavior. Some materials get attracted towards a magnet and are called magnetic materials. Based on the magnetic properties held by each material, they are classified into different types.