Which among the following has a relative permeability much larger than 1? a) Diamagnetic materials b) Ferromagnetic materials c) Paramagnetic materials d) Ferrimagnetic materials
Q: Alternating current with a frequency of one million hertz (one MHz) flows radiation is likely to be…
A: To be given in equation Frequency F= 1MHz=106HzTo be asked in question which type of…
Q: Macmillan Learning What current I is needed to transmit 155 MW of power over a transmission line…
A:
Q: What are the optical fibers. How optical fibre cables are having more advantage over conventional…
A: Optical fibres are based on the principle of Total internal Reflection.
Q: A transformer can do all of the following except: A) step-up a/c voltage B) step-up a/c current C)…
A: The transformer is a device which is used in AC power transmission of electric energy. By using the…
Q: The resistance of wire is RS. If it is stretched to 'n' times to its original length its new…
A: Since more than one question is present in the image, the solution for the first one is provided…
Q: What is an electromagnet? O A magnet made from magnetised iron O A magnet produced by a current in a…
A: An electromagnet is a magnet which is made up of a core(conducting medium) surrounded by coils. when…
Q: What is produced when a wire moves through a magnetic field? A resistance B electric current…
A:
Q: What is the SI unit of current? a) Coulomb (C) b) Ampere (A) c) Farad (F) d) Newton (N)
A: B
Q: Calculate the integrals | r*8(x+ 1)dx .
A:
Q: The right hand screw rule does not involve
A: Solution
Q: 4 - A steady current of 0.50 A flows through a wire. What is the charge passing through the wire in…
A:
Q: Which of the following would be an example of charging by induction? polarizing a rod by bringing a…
A: When a body, having a positive charge on it, brings close to another neutral body, the charge of the…
Q: 12) Consider the following data set. What would this data set look like if the measurements were…
A:
Q: What is the speed of electric current?
A: Electric current means the flow of free electrons through a conductor in presence of an electric…
Q: changes in a moving charge in a magnetic field in medical physics
A: The moving charge in a magnetic field is used in magnetic resonance imaging (MRI) machine.
Q: _________ is a natural electrical phenomenon characterized by the appearance of streamers of reddish…
A: Aurora is a natural electrical phenomenon characterized by the appearance of streamers of reddish or…
Q: Two parallel wires, each carrying a current of 2.2 A in the opposite direction, are shown in the…
A:
Q: Without a fuse or circuit breaker, the current caused by a short circuit easily could start a fire.…
A:
Q: The strength of an electromagnet can be increased by: A) increasing the length of the coiled wire B)…
A: In an electromagnet, magnetic field is given by, B=μnI, I is the current, n is number of turns per…
Q: hat are some ways that electric fields are similar to magnetic fields?
A: Similarities between Magnetic field and Electric field: Both magnetic field and Electric field…
Q: Electric current is a scalar and fundamental quantity Select one: O True O False
A: First, I would like to tell you that scalar quantity is defined as the quantity which is defined by…
Q: 2) What is the net force (magnitude and direction) on each wire in Figure below? 1 10 A 10 A 2 3 50…
A: Given that, the separation between each wire is d=2cm=0.02m the magnitude of the current flowing…
Q: Pick out the expression for galvanometer constant from the following? a) G = k/NAB b) G = k × NAB c)…
A:
Q: Which of the following properties is found only in ferromagnetic materials ? A) Susceptibility…
A: Hysteresis is found only in ferromagnetic materials
Q: An electromagnet works because A) each atom has moving charge (orbiting electrons) - and moving…
A:
Q: What is the property of ferromagnetic materials? a) Negative magnetization b) Magnetization…
A: Option a
Q: Classify magnetic materials as paramagnetic, diamagnetic, or ferromagnetic, based on their response…
A: Solution: Classification of magnetic material (paramagnetic, diamagnetic, or ferromagnetic) on the…
Q: COMPLETE THE TABLE OF VALES FOR THIS CIRCUIT: current flow 21 = 452 voltage source lo0 volts 22 E…
A:
Q: 20 Dielectric losses may occur due to: 1. conductivity 2. polarisation 3. radioactivity 4.…
A: The primary reason behind the Dielectric losses are:: 1) Conductivity 2) Polarisation
Q: What is reluctance in magnetic materials? a) Allows the buildup of magnetic flux b) Reduces the…
A: Reluctance, as the name suggests, is something which is reluctant or hesitant to do. As per the…
Q: Name the material used for making a fuse wire. Give a reason.
A: The fuse wire is made up of by the combination of lead and tin metal. The reason behind the choice…
Q: Which of the following would create an electrical current? (Most power plants use something like…
A: Introduction: Electric current is produced due to the movement of electric charged particles like…
Q: A solenoid carries a current I. An electron is injected with velocity v along the axis AB of the…
A: If the electron has velocityv→, magnetic field along axis is B→ and particle has charge q then…
Q: Explain the concept of eddy current
A: The current induced within the conductor whenever there is a change in magnetic field in the…
Q: 2. A ferromagnetic structure shown in figure the dimensions are shown in the figure. The coils are…
A:
Q: Which of the following materials is ferromagnetic? Iron Cobalt Nickel Aluminum
A: Ferromagnetic materials when placed in an external magnetic field, get's strongly magnetized in the…
Q: What is the relationship between magnetic field and magnetic energy density
A: The energy density in a magnetic field is given by uB =…
Which among the following has a relative permeability much larger than 1?
a) Diamagnetic materials
b) Ferromagnetic materials
c) Paramagnetic materials
d) Ferrimagnetic materials
Step by step
Solved in 2 steps with 1 images