A conductive bar is sliding to the right on the two conducting rails and current is induced in the circuit shown. a) What is the direction of the induced current? b) What is the direction of the force that the magnetic field exerts on the bar because of the induced current?

Q: . A rod of length 1 is rotated with angular speed o about its one end perpendicular to a magnetic…

A: We need to compute-Induced emf e=?The data given as-Length of rod=lAngular speed=ωMagnetic field=B

Q: If a very small loop of current produces a magnetic field of strength B at a distance z away from…

A: The formula for magnetic field on a point  at distance z from the loop is  B=μ0IR22z2+R232

Q: Use Ampere's Law to explain why the magnetic field is zero inside a long, hollow copper pipe that is…

A:

Q: Two parallel wires carry equal steady currents that travel in opposite directions. What are the…

A:

Q: A 118-turn rectangular coil of wire is hung from one arm of a balance, as the figure shows. With the…

A: The spring balance to be in equilibrium, the net torque should be equal to zero. Initially, the…

Q: what is the magnitude of the torque and magnetic potential energy acting on wire about an axis on…

A:

Q: A wire loop is being pulled through a uniform magnetic field toward the left. A magnetic field…

A: In this question the relevant concepts are  Lenz law of electromagnetic induction This law states…

Q: Two long parallel wires are separated by 2.6m. Each wire has a 32 A current, but the currents are in…

A: GIVEN: Separation distance between wires, d=2.6 m Current in each wire, I=32 A 1) Magnitude of net…

Q: B) A rectangular coil of wire with sides 12.0 cm and 17.0 cm is positioned so that its plane is…

A: Given, The rectangular coil sides, a=12cmb=17cm Area of the rectangular coil,…

Q: A bar of iron is said to be saturated once most of its magnectic molecular are aligned whereby…

A: 1) FALSE , saturation is the state where increasing the magnetomotive force stops affecting the…

Q: The south pole of a bar magnet is moved toward the center of the loop of copper wire shown above. 8…

A:

Q: An airplane with a wingspan of 35 m travels at 95 m/s within Earth's magnetic field which is modeled…

A: Given B=25μT=25x10-6T L=35m v=95m/s

Q: A 280 turn circular coil of diameter 56 cm is placed in the earth's magnetic field 0.42 G, such that…

A:

Q: A conducting bar moves with a constant velocity of 3.00 m/s to the right along frictionless…

A: Given, A conducting bar is moving in magnetic field with constant velocity so there is some induced…

Q: a) What is the direction of the current in the ring if the magnetic field is increasing? (b) What…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: a) Find the y and z component of magnetic dipole moment at this position? b)What is the angle…

A:

Q: An insulated copper wire is wound on a soft iron core. Current is passed through the coil such that…

A: i) At end B current flows clockwise thus end B becomes the South Pole.

Q: AB B(t) a) b) variable R Figure. a) A magnet passing through a single col. b) A variable magnetic…

A:

Q: A circular current loop and a line current segment. The midpoint of the line segment is directly…

A:

Q: What direction is the magnetic field oriented relative to the north and south poles of a magnet?…

A: Magnetic field lines are imaginary curves that shows direction of magnetic field around magnet.

Q: The magnitude of the applied magnetic field in an MRI machine is 2.20 T at the patient's head. The…

A: Given data- dBdh=0.05 T/mat the head, B=2.20 TLarmor frequency is given by,f=e4πmBwhere,B=magnetic…

Q: A conducting rod is moving with a velocity i on two parallel conducting bars, as shown in the…

A:

Q: Ampere's Law - Circular Loops A closely wound circular coil with a radius of r = 5 cm consists of…

A: Given, A closely wound circular coil ,radius, r = 5cm = 0.05 mnumber of turns, N = 500Current , I =…

Q: An induced current is seen to flow counterclockwise around a loop of wire that is in the plane of…

A: The direction of induced current in a conductor due to changing magnetic flux is given by Lenz's law…

Q: What is the magnitude of the force and acceleration of an electron that moves at a speed of 5 x 10…

A: Given data :- speed v = 5 × 106 m/smagnetic field B = 0.40 Tcharge on electron q =e = 1.6 × 10-19…

Q: r coil of current I=1A and area A=0.2m2 is placed flat on a table where the magnetic field B= 1T…

A: Given:  current, I = 1 A  Area, A = 0.2 m2  magnetic field, B = 1 T

Q: Which possible direction would the metal bar move so the lower end has a higher voltage than the…

A: The force on charge in magnetic field is given by  F = q(v × B)  On electron F = -e(v × B)

Q: A magnet moves away from a horizontal loop of wire as shown. This causes a clockwise current to be…

A: In the given case we are goin to use the concepts of Faraday and Lenz's law, which describes the…

Q: Find the magnitude of the magnetic field B generated by a ring at a point x away from the center of…

A:

Q: TL-2 A single rectangular uniform wire loop swings from a hinge on the side that lies along the x…

A:

Q: If the magnetic field faces into the wall while its magnitude is increasing, what would be the…

A: Given, The varying magnetic field

Q: B A thick wire with a length of 0.2 m and a mass of 10 g is attached to the thin wire and hung on…

A: Length of wire l= 0.2 m Magnetic field B= 0.05 T Current flow i= 5A Mass of wire m = 10 g = 10*10-3…

Q: A student performs this lab using rods of length L = 18 cm. When the current is I = 7.1 A, the…

A: Given:- A student performs this lab using rods of length L = 18 cm. When the current is I = 7.1 A…

Q: b) Singly-ionised atoms accelerated by a 20 kV potential enter a region with a magnetic field at…

A: Given a singly ionized atom is accelerated by a potential of  V=20kV   enters a magnetic field…

Q: Consider a circular loop of wire lying in the plane of the table. Let the currentpass through the…

A: Right-hand thumb rule states that “thumb of the right hand points along direction of current, then…

Q: o of radius 12 cm at its centre is 0.5x 104T. Find netic field due to this loop at a point on the…

A:

Q: A square current loop of 26.2 A is inscribed within a circular current loop A in the plane of the…

A: