Do you know which of the following is a source of EMF? a) a charge that is perpetual (B) no responses D) a permanent magnet with no moving parts. Charges are constantly flowing through the system.

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: I need the answer quickly

A: According to question: The initial slope of 'B' and 'H' will give permeability of sheet steel and is…

Q: A permanent magnet is a piece of magnetic material that has been magnetized and can hold its…

A: The capacity of a perpetual magnet to help an outer attractive field results from little attractive…

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: What is the flux produced when a 2.5 A current flows through 500 turns coil wound in nonmagnetic…

A: We are authorized to answer one question at a time, since you have not mentioned which question you…

Q: Which of the answer is NOT correct for the Question: The Magnetic Core of the DC machines' inductor…

A: In this question we will write material used in magnetic core formation...

Q: (b) Figure Q3(b) shows a coils of 200 turns in uniformly wound around XX material with an average…

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: نقطة واحدة نقطة واحدة * * The magnetomotive force is proportional to the number of .turns around the…

A: Answer of both questions given below in step 2

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

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: 1. Formed when a wire in an electric circuit is wrapped around an iron core producing a magnetic…

A:

Q: In any circuit that includes inductance, current: Select one: is a result of the changing magnetic…

A: In circuits containing inductors, the current lags behind the voltage due to the property of…

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: gnet D. All of these 4. ch of the statements is true when there is change in magnetic field in a…

A: 4-  When there is a change in the magnetic field in the closed-loop of wire, the emf will be induced…

Q: What is a magnetic field? a) it is the space araund a magnet, or the space in whic magnetic forces…

A: A magnetic field is a vector field that describes the magnetic influence on moving electric charges,…

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: Question 1: Flux, Reluctance, R If the total core length is 50x102 m, the cross-section area is…

A:

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

A:

Q: A non-magnetic circuit has a reluctance of 38.6 gilbert per maxwell. Calculate how much flux will be…

A: Here the concept & the calculations related to the magnetic circuit. Given :- Reluctance R=38.6…

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: 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: We will use a circuit containing a variable resistor (a rheostat). We apply a fixed voltage, and…

A: We need to tell about magnetic field when resistance of circuit changed .

Q: Compare the common three parameters of electric circuit (voltage, current & resistance) with a…

A:

Q: A current-carrying coil in a magnetic field experiences a torque with a magnitude that is 75.5% of…

A: An electrical conductor, such as a wire twisted into a coil, is the passive two-terminal component…

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: 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: Q2. + Figure Q2 Figure Q2 shows two static charges. Choose the parameters exist due to this…

A: Note: Two opposite charges attract each other Two Same type of charges repel each other Electric…

Q: Question 3 A magnetic field of 0.3T directed upward exerts a force of 0.5N on a 1.2m wire oriented…

A: We will find out value of current from force formula .

Coulomb’s Law

Coulomb's law states that the attraction or repulsion force between two charged things is proportional to the product of their charges and inversely proportional to the square of their distance. It has an effect along the line that connects the two-point charges.