Figure  shows a bar moving on rails to the right with a velocity v in a uniform magnetic field directed out of page. A resistor R connects the rails a.What is the direction of induced current in resistor R? Explain your answer. b.State two ways to increase the induced current with R fixed c.Describe what would happen to the induced current if the bar is moving to the opposite direction

Q: Suppose you have a 300 turn square loop with sides of length 25.0 centimeters. a.) If you want to…

A: Torque on the loop can be found by τ=NIABsinθ Maximum torque occurs when, θ = 90º and sinθ = 1.…

Q: An infinite solenoid with radius b has n turns per unit length. The current varies in time according…

A:

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: A loop of is lying in the horizontal plane with a magnetic field directed upward through the loop.…

A: Direction of magnetic field = upwards Position of loop = placed in the horizontal plane Strength of…

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: solenoid has a current flowing through it. A magnetic field is generated by this current and shown…

A: A solenoid is a coil on which wire are wrapped and when current pass through those wires a magnetic…

Q: In an MRI machine, a large magnetic field is generated by the cylindrical solenoid surrounding the…

A:

Q: The rectangular loop of wire shown in the figure (Figure 1) has a mass of 0.12 g per centimeter of…

A: Given data: Current I= 9 A Width w= 6 cm = 0.06 m Length l= 8 cm = 0.08 m Angle θ= 30° Density λ…

Q: A negatively charged particle moves on a horizontal line from left to right. Then it enters a region…

A: The solution has been solved below..

Q: B?• the figure shown, a wire is oriented perpendicular to the screen with a current that is moving…

A: The right-hand thumb rule states that if you hold a current-carrying conductor in your right hand…

Q: The current through a circular wire loop of radius 10 cm is 5.0 A. (a) Calculate the magnetic dipole…

A: a) The required magnetic dipole moment of the loop is, b) The required torque is,

Q: lies along z (see the figure below). A magnetic field of magnitude B is parallel to the z axis. This…

A:

Q: 4. A metal bar of mass 4m slides frictionlessly on two parallel conducting rails a distance 21…

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

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: Suppose you are holding a circular ring of wire in front of you and (a) suddenly thrust a magnet…

A:

Q: in this problem we'll look at a square loop of wire, L is 3mm and W is 4mm, which is rotating in a…

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

Q: Binto (X) The ring above has a constant magnetic field that is oriented into the page. The magnitude…

A: As the magnitude of magnetic field decrease then the number of magnetic field lines passing through…

Q: Solenoids are useful because they produce very strong magnetic fields. Consider a solenoid that…

A: Number of turns per meter, n = 2800 Current flowing through the solenoid, I = 0.55 A Magnetic field…

Q: In Figure shows a long straight wire just touching a loop carrying a current I1 . Both lie in the…

A: Given: Current in the straight wire = I2 Current in the circular loop = I1

Q: A large block of a newly found conducting material has current, I, running through it. a. What can…

A:

Q: A0.300-m-long bar moves on parallel rails that are connected through a 6.40 2 resistor, as shown in…

A: Given Length L=0.3 m Resistance R=6.40 Ohm B=1.30T I=1.70A

Q: The figure shows in cross section, two long parallel wires spaced by distance d = 9.0 cm; each…

A: Magnetic field due to an infinite length conductor carrying current I at some distance a from it is…

Q: You would like to store 8.1 J of energy in the magnetic field of a solenoid. The solenoid has 580…

A: Given length, L0 = 29 cm = 0.29 m Number of turns, N = 580 Diameter of the turns, d = 0.08 m Energy…

Q: The figure below shows a top view of a bar that can slide on two frictionless rails. The resistor is…

A: Let B be the magnetic field directed into the page, and v be the speed of the bar. Write the emf (ε)…

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

A:

Q: The loop of wire with area of .2 m? shown is positioned in a uniform magnetic field. The magnetic…

A: The induced emf is defined as the rate of change of flux per unit time. According to the Lenz’s law,…

Q: A loop of wire is placed in a uniform magnetic field. (a) Forwhat orientation of the loop is the…

A: Write the expression for magnetic flux

Q: Please answer :Choice and expalnation and Currennt and a explanation

A:

Q: A bar magnet is held stationary while a circular loop of wire is moved toward the magnet at constant…

A: According to Lenz's law, the current induced in a coil due to change in magnetic flux opposes the…

Q: Two conducting wire loops move at constant speed near a very long, straight conducting wire that…

A: We know from lenz law , That current induced in the circuit due to the change in magnetic flux is…

Q: Q. Figure shows, in cross section, two long parallel wires spaced by distance d=10.0cm; each carries…

A:

Q: 3. Helmholtz coils are two large circular coils with N tightly wound turns of radius R with the…

A: a) According to Biot Savart’s law, the magnetic field due to a circular coil at a point x distance…

Q: A magnetic field goes through a loop of wire as shown below (x = into the page). If the strength of…

A: Induced current : It is induced in the loop when there is a change in the magnetic flux of the loop.…

Q: The wire in the figure carries current I2, which is 10 times the current I1 of the loop; the…

A:

Q: 4. A metal bar of mass 4m slides frictionlessly on two parallel conducting rails a distance 2/…

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

Q: B

A:

Q: ne square conducting loop shown in the figure lies in the x-y plane. The loop is in a uníform…

A: Given  Length of square l = 5.6 m  Area A = (5.6)2 = 31.36 m Resistance R =66.7 ohm

Q: The figure is an edge-on view of a 12-cm-diameter circular loop rotating in a uniform 4.4x10-2 T…

A:

Q: The horizontal loop in the figure is placed in an external magnetic field B pointing downwards. If…

A: Solution: Given: A horizontal loop is placed in external magnetic field Bext pointing in the…

Q: (d) A current in a loop creates the magnetic field, B, as shown. What is the current direction in…

A: Hello. Since you have posted multiple questions because all are different and not specified which…

Q: particle of mass “M” and charge “+Q” Travels at a velocity “V” in a plane perpendicular to a…

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.