A FIGURE Q25.17

Q: A solenoid is near a piece of iron, as shown in Figure P24.43. When a current is present n the…

A: As iron is a ferromagnetic material , the external magnetic field will align the domains in it to…

Q: The 2.8-cm-diameter solenoid in (Figure 1) passes through the center of a 6.0-cm-diameter loop. The…

A: Flux =B.A=BAcos θ

Q: A loop of wire is horizontal. A bar magnet is pushed toward the loop from below, along the axis of…

A: (a)   Due to the motion of the magnet towards the loop, the flux linked with the coil will increase.…

Q: 2. Figure 1 shows a particle with a positive charge q and mass m moves through a velocity selector…

A: The direction of magnetic field acting on the charge particle is found by right hand rule and from…

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: A particle passes through a mass spectrometer as illustrated in the figure below. The electric field…

A: The given values are, E=8020 V/mB=0.0918 Td=58.0 cm=0.58 m

Q: An electric current I = 0.35 A is flowing in an infinitely long wire. Part (a)  Write an equation…

A: b)           B = μoi2πd   as   d =a                      B =  μoi2πa           c)…

Q: An electric field with initial magnitude 120 V/m directed into the page and increasing at a rate of…

A:

Q: A cyclotron designed to accelerate protons has a magnetic field of magnitude 0.455 T over a region…

A: Given:- The magnetic field B = 0.455 T  The radius of the region R = 1.70 m  Find:- a) what is the…

Q: Fields of an electron At a particular instant a proton is at the origin, moving with velocity m/s.…

A: Calculate the magnitude of the position vector. Calculate the unit vector of position.

Q: A LASIK vision correction system uses a laser that emits 10-ns-long pulses of light, each with 2.5…

A: Given: A LASIK vision correction system uses a laser that emits 10-ns-long pulses of light, each…

Q: An unknown particle moves in a straight line through crossed electric and magnetic fields with E =…

A: E = 1500 VmB = 0.034 T r = 2.7 cm = 0.027 m

Q: A transmission line strung 6 m above the ground carries a current of 500 A. What is the magnetic…

A: Magnetic field  B = u0I/2πd

Q: A conducting loop in the shape of a circle of a radius R=1 as shown in Figure 6. Calculate the…

A:

Q: 1. Determine (a) The magnetic dipole moment produced by the current in the loop shown in Figure 1,…

A: Given, Current,I Radius,R1 and R2

Q: Q1: conductor that is 5 cm wide and 1 cm tall has a current of 30 A flowing through it , a magnetic…

A: Width of conductor = 5 cm Length of Conductor = 1 cm Current I = 30 A Magnetic field B = 15 T Hall…

Q: A velocity selector in a mass spectrometer uses a 0.13 T magnetic field. (a) What electric field…

A:

Q: The amplitude of the B field of an EM wave is 2.7×10−7T. The wave travels in free space. A. What…

A:

Q: A velocity selector in a mass spectrometer uses a 0.100-T magnetic field.        (a) What electric…

A:

Q: An electromagnetic rail gun uses magnetic forces to launch projectiles. (Figure 1) shows a…

A: When a metal of length L moves with a velocity v in a magnetic field which is perpendicular to the…

Q: Shown is an edge-on view of a 10-cm-diameter circular loop rotating in a uniform 0.050 T magnetic…

A:

Q: A 0.230-A current is charging a capacitor that has circular plates 14.4 cm in radius. The plate…

A: (a) The capacitance of the given capacitor is C=QV The rate of change of electric field between the…

Q: Problem 11: In a mass spectrometer, a specific velocity can be selected from a distribution by…

A:

Q: A metal ring 4.80 cm in diameter is placed between the north and south poles of large magnets with…

A:

Q: A pulse of radiation propagates with velocity v = . The electric field in the pulse is E = N/C.…

A:

Q: Question 4: An electromagnetic wave with frequency 65.0 Hz trav- els in an insulating magnetic…

A: a) Determine the speed of the wave.

Q: A circular loop rotates at constant speed about an axle through the centerof the loop. Shown is an…

A: Given: The loop rotates from 0 to 360 degrees.

Q: 2 What is the SI unit for magnetic field? Am2 T. N/C Ω Im? O P What is the direction of the magnetic…

A: MAGNETIC FIELD

Q: A 10-cm-diameter parallel-plate capacitor has a 1.0 mm spacing. The electric field between the…

A: Given: D=10 cm R=10/2=5cm = 0.05 m dE/dt =1.3*106 V/m.s

Q: 3. A long, straight conductor carries a current of 8.0 A and is directed to the right. What is the…

A: Current carried by the conductor I=8.0 A Distance of the point from the conductor r=2 m Magnitude of…

Q: Push 0.50 m/s RE P25.65 2.0 Ω 0.50 T

A:

Q: Two long, parallel wiresseparated by a distance 2d carryequal currents in the same direction.An end…

A: Part A:

Q: What

A: When there is a change in magnetic flux then there is induced emf in the coil and the direction of…

Q: capacitor 10 A current is charging a - 1.0 cm - diameter parallel - plate . What is the magnetic…

A: Given that, capacitor 10 A current is charging a - 1.0 cm - diameter parallel - plate . Then We have…

Q: A parallel-plate air-filled capacitor is being charged as in the figure (Figure 1). The circular…

A:

Q: A beam of electrons is accelerated from rest through a potential difference of 2 kV and passes…

A:

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.